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Finding the Fourth Proportional to 59,697.58, 89,565.80 and 28,535.26

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Solution

The fourth proportional to 59,697.58, 89,565.80 and 28,535.26 is: 42,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,697.58 : 89,565.80 = 28,535.26 : x
  2. Step 2: Convert to fraction form
    59,697.58/89,565.80 = 28,535.26/x
  3. Step 3: Cross multiply
    59,697.58x = 89,565.80 × 28,535.26
  4. Step 4: Simplify right side
    59,697.58x = 2,555,783,390.11
  5. Step 5: Solve for x
    x = 2,555,783,390.11/59,697.58
  6. Step 6: Final answer
    x = 42,812.18

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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.