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Finding the Fourth Proportional to 53,395.70, 73,684.77 and 29,521.76

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Solution

The fourth proportional to 53,395.70, 73,684.77 and 29,521.76 is: 40,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.70 : 73,684.77 = 29,521.76 : x
  2. Step 2: Convert to fraction form
    53,395.70/73,684.77 = 29,521.76/x
  3. Step 3: Cross multiply
    53,395.70x = 73,684.77 × 29,521.76
  4. Step 4: Simplify right side
    53,395.70x = 2,175,304,095.60
  5. Step 5: Solve for x
    x = 2,175,304,095.60/53,395.70
  6. Step 6: Final answer
    x = 40,739.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.