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Finding the Fourth Proportional to 22,347.93, 30,853.02 and 15,551.82

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Solution

The fourth proportional to 22,347.93, 30,853.02 and 15,551.82 is: 21,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.93 : 30,853.02 = 15,551.82 : x
  2. Step 2: Convert to fraction form
    22,347.93/30,853.02 = 15,551.82/x
  3. Step 3: Cross multiply
    22,347.93x = 30,853.02 × 15,551.82
  4. Step 4: Simplify right side
    22,347.93x = 479,820,613.50
  5. Step 5: Solve for x
    x = 479,820,613.50/22,347.93
  6. Step 6: Final answer
    x = 21,470.47

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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.