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Finding the Fourth Proportional to 60,543.68, 90,829.36 and 30,482.89

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Solution

The fourth proportional to 60,543.68, 90,829.36 and 30,482.89 is: 45,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,543.68 : 90,829.36 = 30,482.89 : x
  2. Step 2: Convert to fraction form
    60,543.68/90,829.36 = 30,482.89/x
  3. Step 3: Cross multiply
    60,543.68x = 90,829.36 × 30,482.89
  4. Step 4: Simplify right side
    60,543.68x = 2,768,741,545.60
  5. Step 5: Solve for x
    x = 2,768,741,545.60/60,543.68
  6. Step 6: Final answer
    x = 45,731.31

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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.