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Finding the Fourth Proportional to 53,489.70, 73,816.93 and 29,291.68

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Solution

The fourth proportional to 53,489.70, 73,816.93 and 29,291.68 is: 40,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489.70 : 73,816.93 = 29,291.68 : x
  2. Step 2: Convert to fraction form
    53,489.70/73,816.93 = 29,291.68/x
  3. Step 3: Cross multiply
    53,489.70x = 73,816.93 × 29,291.68
  4. Step 4: Simplify right side
    53,489.70x = 2,162,221,892.14
  5. Step 5: Solve for x
    x = 2,162,221,892.14/53,489.70
  6. Step 6: Final answer
    x = 40,423.14

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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.