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Finding the Fourth Proportional to 48,374.34, 72,566.10 and 18,794.46

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Solution

The fourth proportional to 48,374.34, 72,566.10 and 18,794.46 is: 28,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.34 : 72,566.10 = 18,794.46 : x
  2. Step 2: Convert to fraction form
    48,374.34/72,566.10 = 18,794.46/x
  3. Step 3: Cross multiply
    48,374.34x = 72,566.10 × 18,794.46
  4. Step 4: Simplify right side
    48,374.34x = 1,363,840,663.81
  5. Step 5: Solve for x
    x = 1,363,840,663.81/48,374.34
  6. Step 6: Final answer
    x = 28,193.47

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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.