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Finding the Fourth Proportional to 24,921.35, 34,391.03 and 13,590.93

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Solution

The fourth proportional to 24,921.35, 34,391.03 and 13,590.93 is: 18,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,921.35 : 34,391.03 = 13,590.93 : x
  2. Step 2: Convert to fraction form
    24,921.35/34,391.03 = 13,590.93/x
  3. Step 3: Cross multiply
    24,921.35x = 34,391.03 × 13,590.93
  4. Step 4: Simplify right side
    24,921.35x = 467,406,013.40
  5. Step 5: Solve for x
    x = 467,406,013.40/24,921.35
  6. Step 6: Final answer
    x = 18,755.25

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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.