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Finding the Fourth Proportional to 67,528.40, 93,251.40 and 45,237.20

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Solution

The fourth proportional to 67,528.40, 93,251.40 and 45,237.20 is: 62,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,528.40 : 93,251.40 = 45,237.20 : x
  2. Step 2: Convert to fraction form
    67,528.40/93,251.40 = 45,237.20/x
  3. Step 3: Cross multiply
    67,528.40x = 93,251.40 × 45,237.20
  4. Step 4: Simplify right side
    67,528.40x = 4,218,432,232.08
  5. Step 5: Solve for x
    x = 4,218,432,232.08/67,528.40
  6. Step 6: Final answer
    x = 62,469.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.