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Finding the Fourth Proportional to 59,351.40, 89,027.10 and 52,439.40

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Solution

The fourth proportional to 59,351.40, 89,027.10 and 52,439.40 is: 78,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,351.40 : 89,027.10 = 52,439.40 : x
  2. Step 2: Convert to fraction form
    59,351.40/89,027.10 = 52,439.40/x
  3. Step 3: Cross multiply
    59,351.40x = 89,027.10 × 52,439.40
  4. Step 4: Simplify right side
    59,351.40x = 4,668,527,707.74
  5. Step 5: Solve for x
    x = 4,668,527,707.74/59,351.40
  6. Step 6: Final answer
    x = 78,659.10

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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.