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Finding the Fourth Proportional to 17,762.79, 24,512.85 and 9,805.35

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Solution

The fourth proportional to 17,762.79, 24,512.85 and 9,805.35 is: 13,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.79 : 24,512.85 = 9,805.35 : x
  2. Step 2: Convert to fraction form
    17,762.79/24,512.85 = 9,805.35/x
  3. Step 3: Cross multiply
    17,762.79x = 24,512.85 × 9,805.35
  4. Step 4: Simplify right side
    17,762.79x = 240,357,073.75
  5. Step 5: Solve for x
    x = 240,357,073.75/17,762.79
  6. Step 6: Final answer
    x = 13,531.49

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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.