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Finding the Fourth Proportional to 48,681.84, 72,972.92 and 19,059.32

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Solution

The fourth proportional to 48,681.84, 72,972.92 and 19,059.32 is: 28,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,681.84 : 72,972.92 = 19,059.32 : x
  2. Step 2: Convert to fraction form
    48,681.84/72,972.92 = 19,059.32/x
  3. Step 3: Cross multiply
    48,681.84x = 72,972.92 × 19,059.32
  4. Step 4: Simplify right side
    48,681.84x = 1,390,814,233.61
  5. Step 5: Solve for x
    x = 1,390,814,233.61/48,681.84
  6. Step 6: Final answer
    x = 28,569.47

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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.