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Finding the Fourth Proportional to 17,888.05, 24,684.27 and 9,929.65

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Solution

The fourth proportional to 17,888.05, 24,684.27 and 9,929.65 is: 13,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.05 : 24,684.27 = 9,929.65 : x
  2. Step 2: Convert to fraction form
    17,888.05/24,684.27 = 9,929.65/x
  3. Step 3: Cross multiply
    17,888.05x = 24,684.27 × 9,929.65
  4. Step 4: Simplify right side
    17,888.05x = 245,106,161.61
  5. Step 5: Solve for x
    x = 245,106,161.61/17,888.05
  6. Step 6: Final answer
    x = 13,702.23

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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.