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Finding the Fourth Proportional to 35,658.29, 53,488.05 and 13,482.11

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Solution

The fourth proportional to 35,658.29, 53,488.05 and 13,482.11 is: 20,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.29 : 53,488.05 = 13,482.11 : x
  2. Step 2: Convert to fraction form
    35,658.29/53,488.05 = 13,482.11/x
  3. Step 3: Cross multiply
    35,658.29x = 53,488.05 × 13,482.11
  4. Step 4: Simplify right side
    35,658.29x = 721,131,856.95
  5. Step 5: Solve for x
    x = 721,131,856.95/35,658.29
  6. Step 6: Final answer
    x = 20,223.40

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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.