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Finding the Fourth Proportional to 48,265.60, 72,484.80 and 46,710.40

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Solution

The fourth proportional to 48,265.60, 72,484.80 and 46,710.40 is: 70,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,265.60 : 72,484.80 = 46,710.40 : x
  2. Step 2: Convert to fraction form
    48,265.60/72,484.80 = 46,710.40/x
  3. Step 3: Cross multiply
    48,265.60x = 72,484.80 × 46,710.40
  4. Step 4: Simplify right side
    48,265.60x = 3,385,794,001.92
  5. Step 5: Solve for x
    x = 3,385,794,001.92/48,265.60
  6. Step 6: Final answer
    x = 70,149.22

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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.