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Finding the Fourth Proportional to 6,564.40, 9,846.60 and 6,089.20

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Solution

The fourth proportional to 6,564.40, 9,846.60 and 6,089.20 is: 9,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,564.40 : 9,846.60 = 6,089.20 : x
  2. Step 2: Convert to fraction form
    6,564.40/9,846.60 = 6,089.20/x
  3. Step 3: Cross multiply
    6,564.40x = 9,846.60 × 6,089.20
  4. Step 4: Simplify right side
    6,564.40x = 59,957,916.72
  5. Step 5: Solve for x
    x = 59,957,916.72/6,564.40
  6. Step 6: Final answer
    x = 9,133.80

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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.