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Finding the Fourth Proportional to 5,017.34, 6,924.12 and 2,779.22

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Solution

The fourth proportional to 5,017.34, 6,924.12 and 2,779.22 is: 3,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.34 : 6,924.12 = 2,779.22 : x
  2. Step 2: Convert to fraction form
    5,017.34/6,924.12 = 2,779.22/x
  3. Step 3: Cross multiply
    5,017.34x = 6,924.12 × 2,779.22
  4. Step 4: Simplify right side
    5,017.34x = 19,243,652.79
  5. Step 5: Solve for x
    x = 19,243,652.79/5,017.34
  6. Step 6: Final answer
    x = 3,835.43

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.