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Finding the Fourth Proportional to 48,398.34, 72,597.88 and 13,339.92

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Solution

The fourth proportional to 48,398.34, 72,597.88 and 13,339.92 is: 20,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,398.34 : 72,597.88 = 13,339.92 : x
  2. Step 2: Convert to fraction form
    48,398.34/72,597.88 = 13,339.92/x
  3. Step 3: Cross multiply
    48,398.34x = 72,597.88 × 13,339.92
  4. Step 4: Simplify right side
    48,398.34x = 968,449,911.37
  5. Step 5: Solve for x
    x = 968,449,911.37/48,398.34
  6. Step 6: Final answer
    x = 20,009.98

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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.