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Finding the Fourth Proportional to 26,869.61, 40,304.51 and 9,339.59

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Solution

The fourth proportional to 26,869.61, 40,304.51 and 9,339.59 is: 14,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.61 : 40,304.51 = 9,339.59 : x
  2. Step 2: Convert to fraction form
    26,869.61/40,304.51 = 9,339.59/x
  3. Step 3: Cross multiply
    26,869.61x = 40,304.51 × 9,339.59
  4. Step 4: Simplify right side
    26,869.61x = 376,427,598.55
  5. Step 5: Solve for x
    x = 376,427,598.55/26,869.61
  6. Step 6: Final answer
    x = 14,009.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.