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Finding the Fourth Proportional to 22,657.52, 31,266.95 and 12,585.51

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Solution

The fourth proportional to 22,657.52, 31,266.95 and 12,585.51 is: 17,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.52 : 31,266.95 = 12,585.51 : x
  2. Step 2: Convert to fraction form
    22,657.52/31,266.95 = 12,585.51/x
  3. Step 3: Cross multiply
    22,657.52x = 31,266.95 × 12,585.51
  4. Step 4: Simplify right side
    22,657.52x = 393,510,448.97
  5. Step 5: Solve for x
    x = 393,510,448.97/22,657.52
  6. Step 6: Final answer
    x = 17,367.76

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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.