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Finding the Fourth Proportional to 47,652.42, 71,473.02 and 12,594.78

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Solution

The fourth proportional to 47,652.42, 71,473.02 and 12,594.78 is: 18,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,652.42 : 71,473.02 = 12,594.78 : x
  2. Step 2: Convert to fraction form
    47,652.42/71,473.02 = 12,594.78/x
  3. Step 3: Cross multiply
    47,652.42x = 71,473.02 × 12,594.78
  4. Step 4: Simplify right side
    47,652.42x = 900,186,962.84
  5. Step 5: Solve for x
    x = 900,186,962.84/47,652.42
  6. Step 6: Final answer
    x = 18,890.69

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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.