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Finding the Fourth Proportional to 57,246.67, 85,852.51 and 39,590.80

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Solution

The fourth proportional to 57,246.67, 85,852.51 and 39,590.80 is: 59,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246.67 : 85,852.51 = 39,590.80 : x
  2. Step 2: Convert to fraction form
    57,246.67/85,852.51 = 39,590.80/x
  3. Step 3: Cross multiply
    57,246.67x = 85,852.51 × 39,590.80
  4. Step 4: Simplify right side
    57,246.67x = 3,398,969,552.91
  5. Step 5: Solve for x
    x = 3,398,969,552.91/57,246.67
  6. Step 6: Final answer
    x = 59,374.10

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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.