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Finding the Fourth Proportional to 59,853.40, 89,909.70 and 57,650.20

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Solution

The fourth proportional to 59,853.40, 89,909.70 and 57,650.20 is: 86,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,853.40 : 89,909.70 = 57,650.20 : x
  2. Step 2: Convert to fraction form
    59,853.40/89,909.70 = 57,650.20/x
  3. Step 3: Cross multiply
    59,853.40x = 89,909.70 × 57,650.20
  4. Step 4: Simplify right side
    59,853.40x = 5,183,312,186.94
  5. Step 5: Solve for x
    x = 5,183,312,186.94/59,853.40
  6. Step 6: Final answer
    x = 86,600.13

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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.