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Finding the Fourth Proportional to 47,654.76, 71,482.12 and 19,952.76

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Solution

The fourth proportional to 47,654.76, 71,482.12 and 19,952.76 is: 29,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,654.76 : 71,482.12 = 19,952.76 : x
  2. Step 2: Convert to fraction form
    47,654.76/71,482.12 = 19,952.76/x
  3. Step 3: Cross multiply
    47,654.76x = 71,482.12 × 19,952.76
  4. Step 4: Simplify right side
    47,654.76x = 1,426,265,584.65
  5. Step 5: Solve for x
    x = 1,426,265,584.65/47,654.76
  6. Step 6: Final answer
    x = 29,929.13

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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.