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Finding the Fourth Proportional to 48,903.76, 73,308.75 and 15,605.47

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Solution

The fourth proportional to 48,903.76, 73,308.75 and 15,605.47 is: 23,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,903.76 : 73,308.75 = 15,605.47 : x
  2. Step 2: Convert to fraction form
    48,903.76/73,308.75 = 15,605.47/x
  3. Step 3: Cross multiply
    48,903.76x = 73,308.75 × 15,605.47
  4. Step 4: Simplify right side
    48,903.76x = 1,144,017,498.86
  5. Step 5: Solve for x
    x = 1,144,017,498.86/48,903.76
  6. Step 6: Final answer
    x = 23,393.24

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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.