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Finding the Fourth Proportional to 29,780.52, 44,670.78 and 13,353

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Solution

The fourth proportional to 29,780.52, 44,670.78 and 13,353 is: 20,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,780.52 : 44,670.78 = 13,353 : x
  2. Step 2: Convert to fraction form
    29,780.52/44,670.78 = 13,353/x
  3. Step 3: Cross multiply
    29,780.52x = 44,670.78 × 13,353
  4. Step 4: Simplify right side
    29,780.52x = 596,488,925.34
  5. Step 5: Solve for x
    x = 596,488,925.34/29,780.52
  6. Step 6: Final answer
    x = 20,029.50

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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.