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Finding the Fourth Proportional to 4,737.12, 6,537.12 and 2,641.20

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Solution

The fourth proportional to 4,737.12, 6,537.12 and 2,641.20 is: 3,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737.12 : 6,537.12 = 2,641.20 : x
  2. Step 2: Convert to fraction form
    4,737.12/6,537.12 = 2,641.20/x
  3. Step 3: Cross multiply
    4,737.12x = 6,537.12 × 2,641.20
  4. Step 4: Simplify right side
    4,737.12x = 17,265,841.34
  5. Step 5: Solve for x
    x = 17,265,841.34/4,737.12
  6. Step 6: Final answer
    x = 3,644.80

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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.