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Finding the Fourth Proportional to 59,615.20, 89,422.80 and 58,740.40

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Solution

The fourth proportional to 59,615.20, 89,422.80 and 58,740.40 is: 88,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,615.20 : 89,422.80 = 58,740.40 : x
  2. Step 2: Convert to fraction form
    59,615.20/89,422.80 = 58,740.40/x
  3. Step 3: Cross multiply
    59,615.20x = 89,422.80 × 58,740.40
  4. Step 4: Simplify right side
    59,615.20x = 5,252,731,041.12
  5. Step 5: Solve for x
    x = 5,252,731,041.12/59,615.20
  6. Step 6: Final answer
    x = 88,110.60

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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.