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Finding the Fourth Proportional to 60,527.96, 90,724.68 and 45,688.76

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Solution

The fourth proportional to 60,527.96, 90,724.68 and 45,688.76 is: 68,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,527.96 : 90,724.68 = 45,688.76 : x
  2. Step 2: Convert to fraction form
    60,527.96/90,724.68 = 45,688.76/x
  3. Step 3: Cross multiply
    60,527.96x = 90,724.68 × 45,688.76
  4. Step 4: Simplify right side
    60,527.96x = 4,145,098,130.60
  5. Step 5: Solve for x
    x = 4,145,098,130.60/60,527.96
  6. Step 6: Final answer
    x = 68,482.37

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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.