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Finding the Fourth Proportional to 25,802.53, 38,698.92 and 9,161.89

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Solution

The fourth proportional to 25,802.53, 38,698.92 and 9,161.89 is: 13,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,802.53 : 38,698.92 = 9,161.89 : x
  2. Step 2: Convert to fraction form
    25,802.53/38,698.92 = 9,161.89/x
  3. Step 3: Cross multiply
    25,802.53x = 38,698.92 × 9,161.89
  4. Step 4: Simplify right side
    25,802.53x = 354,555,248.16
  5. Step 5: Solve for x
    x = 354,555,248.16/25,802.53
  6. Step 6: Final answer
    x = 13,741.10

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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.