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Finding the Fourth Proportional to 19,924.92, 29,848.47 and 15,521.76

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Solution

The fourth proportional to 19,924.92, 29,848.47 and 15,521.76 is: 23,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.92 : 29,848.47 = 15,521.76 : x
  2. Step 2: Convert to fraction form
    19,924.92/29,848.47 = 15,521.76/x
  3. Step 3: Cross multiply
    19,924.92x = 29,848.47 × 15,521.76
  4. Step 4: Simplify right side
    19,924.92x = 463,300,787.71
  5. Step 5: Solve for x
    x = 463,300,787.71/19,924.92
  6. Step 6: Final answer
    x = 23,252.33

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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.