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Finding the Fourth Proportional to 19,384.93, 29,209.29 and 15,951.93

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Solution

The fourth proportional to 19,384.93, 29,209.29 and 15,951.93 is: 24,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.93 : 29,209.29 = 15,951.93 : x
  2. Step 2: Convert to fraction form
    19,384.93/29,209.29 = 15,951.93/x
  3. Step 3: Cross multiply
    19,384.93x = 29,209.29 × 15,951.93
  4. Step 4: Simplify right side
    19,384.93x = 465,944,549.43
  5. Step 5: Solve for x
    x = 465,944,549.43/19,384.93
  6. Step 6: Final answer
    x = 24,036.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.