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Finding the Fourth Proportional to 22,612.95, 33,909.71 and 7,031.79

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Solution

The fourth proportional to 22,612.95, 33,909.71 and 7,031.79 is: 10,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.95 : 33,909.71 = 7,031.79 : x
  2. Step 2: Convert to fraction form
    22,612.95/33,909.71 = 7,031.79/x
  3. Step 3: Cross multiply
    22,612.95x = 33,909.71 × 7,031.79
  4. Step 4: Simplify right side
    22,612.95x = 238,445,924.52
  5. Step 5: Solve for x
    x = 238,445,924.52/22,612.95
  6. Step 6: Final answer
    x = 10,544.66

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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.