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Finding the Fourth Proportional to 45,855.84, 63,281.28 and 29,930.88

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Solution

The fourth proportional to 45,855.84, 63,281.28 and 29,930.88 is: 41,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.84 : 63,281.28 = 29,930.88 : x
  2. Step 2: Convert to fraction form
    45,855.84/63,281.28 = 29,930.88/x
  3. Step 3: Cross multiply
    45,855.84x = 63,281.28 × 29,930.88
  4. Step 4: Simplify right side
    45,855.84x = 1,894,064,397.93
  5. Step 5: Solve for x
    x = 1,894,064,397.93/45,855.84
  6. Step 6: Final answer
    x = 41,304.76

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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.