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Finding the Fourth Proportional to 6,519.40, 9,779.10 and 6,044.20

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Solution

The fourth proportional to 6,519.40, 9,779.10 and 6,044.20 is: 9,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.40 : 9,779.10 = 6,044.20 : x
  2. Step 2: Convert to fraction form
    6,519.40/9,779.10 = 6,044.20/x
  3. Step 3: Cross multiply
    6,519.40x = 9,779.10 × 6,044.20
  4. Step 4: Simplify right side
    6,519.40x = 59,106,836.22
  5. Step 5: Solve for x
    x = 59,106,836.22/6,519.40
  6. Step 6: Final answer
    x = 9,066.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.