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Finding the Fourth Proportional to 69,218.69, 95,522.69 and 40,924.13

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Solution

The fourth proportional to 69,218.69, 95,522.69 and 40,924.13 is: 56,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,218.69 : 95,522.69 = 40,924.13 : x
  2. Step 2: Convert to fraction form
    69,218.69/95,522.69 = 40,924.13/x
  3. Step 3: Cross multiply
    69,218.69x = 95,522.69 × 40,924.13
  4. Step 4: Simplify right side
    69,218.69x = 3,909,182,983.51
  5. Step 5: Solve for x
    x = 3,909,182,983.51/69,218.69
  6. Step 6: Final answer
    x = 56,475.83

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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.