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Finding the Fourth Proportional to 60,426.68, 90,639.66 and 23,490.68

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Solution

The fourth proportional to 60,426.68, 90,639.66 and 23,490.68 is: 35,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,426.68 : 90,639.66 = 23,490.68 : x
  2. Step 2: Convert to fraction form
    60,426.68/90,639.66 = 23,490.68/x
  3. Step 3: Cross multiply
    60,426.68x = 90,639.66 × 23,490.68
  4. Step 4: Simplify right side
    60,426.68x = 2,129,187,248.37
  5. Step 5: Solve for x
    x = 2,129,187,248.37/60,426.68
  6. Step 6: Final answer
    x = 35,235.88

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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.