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Finding the Fourth Proportional to 48,966.60, 73,428.30 and 19,374.60

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Solution

The fourth proportional to 48,966.60, 73,428.30 and 19,374.60 is: 29,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,966.60 : 73,428.30 = 19,374.60 : x
  2. Step 2: Convert to fraction form
    48,966.60/73,428.30 = 19,374.60/x
  3. Step 3: Cross multiply
    48,966.60x = 73,428.30 × 19,374.60
  4. Step 4: Simplify right side
    48,966.60x = 1,422,643,941.18
  5. Step 5: Solve for x
    x = 1,422,643,941.18/48,966.60
  6. Step 6: Final answer
    x = 29,053.35

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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.