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Finding the Fourth Proportional to 29,207.98, 40,284.70 and 19,658.08

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Solution

The fourth proportional to 29,207.98, 40,284.70 and 19,658.08 is: 27,113.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,207.98 : 40,284.70 = 19,658.08 : x
  2. Step 2: Convert to fraction form
    29,207.98/40,284.70 = 19,658.08/x
  3. Step 3: Cross multiply
    29,207.98x = 40,284.70 × 19,658.08
  4. Step 4: Simplify right side
    29,207.98x = 791,919,855.38
  5. Step 5: Solve for x
    x = 791,919,855.38/29,207.98
  6. Step 6: Final answer
    x = 27,113.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.