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Finding the Fourth Proportional to 22,657.53, 31,266.04 and 12,585.39

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Solution

The fourth proportional to 22,657.53, 31,266.04 and 12,585.39 is: 17,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.53 : 31,266.04 = 12,585.39 : x
  2. Step 2: Convert to fraction form
    22,657.53/31,266.04 = 12,585.39/x
  3. Step 3: Cross multiply
    22,657.53x = 31,266.04 × 12,585.39
  4. Step 4: Simplify right side
    22,657.53x = 393,495,307.16
  5. Step 5: Solve for x
    x = 393,495,307.16/22,657.53
  6. Step 6: Final answer
    x = 17,367.09

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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.