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Finding the Fourth Proportional to 59,503.64, 89,255.80 and 20,061.12

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Solution

The fourth proportional to 59,503.64, 89,255.80 and 20,061.12 is: 30,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,503.64 : 89,255.80 = 20,061.12 : x
  2. Step 2: Convert to fraction form
    59,503.64/89,255.80 = 20,061.12/x
  3. Step 3: Cross multiply
    59,503.64x = 89,255.80 × 20,061.12
  4. Step 4: Simplify right side
    59,503.64x = 1,790,571,314.50
  5. Step 5: Solve for x
    x = 1,790,571,314.50/59,503.64
  6. Step 6: Final answer
    x = 30,091.79

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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.