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Finding the Fourth Proportional to 60,294.96, 90,300.24 and 30,639.24

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Solution

The fourth proportional to 60,294.96, 90,300.24 and 30,639.24 is: 45,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,294.96 : 90,300.24 = 30,639.24 : x
  2. Step 2: Convert to fraction form
    60,294.96/90,300.24 = 30,639.24/x
  3. Step 3: Cross multiply
    60,294.96x = 90,300.24 × 30,639.24
  4. Step 4: Simplify right side
    60,294.96x = 2,766,730,725.42
  5. Step 5: Solve for x
    x = 2,766,730,725.42/60,294.96
  6. Step 6: Final answer
    x = 45,886.60

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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.