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Finding the Fourth Proportional to 69,142.41, 103,713.62 and 22,398.93

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Solution

The fourth proportional to 69,142.41, 103,713.62 and 22,398.93 is: 33,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,142.41 : 103,713.62 = 22,398.93 : x
  2. Step 2: Convert to fraction form
    69,142.41/103,713.62 = 22,398.93/x
  3. Step 3: Cross multiply
    69,142.41x = 103,713.62 × 22,398.93
  4. Step 4: Simplify right side
    69,142.41x = 2,323,074,002.43
  5. Step 5: Solve for x
    x = 2,323,074,002.43/69,142.41
  6. Step 6: Final answer
    x = 33,598.40

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1.5x scale

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.