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Finding the Fourth Proportional to 22,657.33, 31,267.68 and 12,585.28

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Solution

The fourth proportional to 22,657.33, 31,267.68 and 12,585.28 is: 17,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.33 : 31,267.68 = 12,585.28 : x
  2. Step 2: Convert to fraction form
    22,657.33/31,267.68 = 12,585.28/x
  3. Step 3: Cross multiply
    22,657.33x = 31,267.68 × 12,585.28
  4. Step 4: Simplify right side
    22,657.33x = 393,512,499.64
  5. Step 5: Solve for x
    x = 393,512,499.64/22,657.33
  6. Step 6: Final answer
    x = 17,368.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.