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Finding the Fourth Proportional to 19,392.40, 29,095.89 and 6,248.53

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Solution

The fourth proportional to 19,392.40, 29,095.89 and 6,248.53 is: 9,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.40 : 29,095.89 = 6,248.53 : x
  2. Step 2: Convert to fraction form
    19,392.40/29,095.89 = 6,248.53/x
  3. Step 3: Cross multiply
    19,392.40x = 29,095.89 × 6,248.53
  4. Step 4: Simplify right side
    19,392.40x = 181,806,541.54
  5. Step 5: Solve for x
    x = 181,806,541.54/19,392.40
  6. Step 6: Final answer
    x = 9,375.14

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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.