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Finding the Fourth Proportional to 22,599.52, 31,191 and 21,602.95

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Solution

The fourth proportional to 22,599.52, 31,191 and 21,602.95 is: 29,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.52 : 31,191 = 21,602.95 : x
  2. Step 2: Convert to fraction form
    22,599.52/31,191 = 21,602.95/x
  3. Step 3: Cross multiply
    22,599.52x = 31,191 × 21,602.95
  4. Step 4: Simplify right side
    22,599.52x = 673,817,613.45
  5. Step 5: Solve for x
    x = 673,817,613.45/22,599.52
  6. Step 6: Final answer
    x = 29,815.57

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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.