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Finding the Fourth Proportional to 29,252.61, 40,368.60 and 15,823.86

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Solution

The fourth proportional to 29,252.61, 40,368.60 and 15,823.86 is: 21,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,252.61 : 40,368.60 = 15,823.86 : x
  2. Step 2: Convert to fraction form
    29,252.61/40,368.60 = 15,823.86/x
  3. Step 3: Cross multiply
    29,252.61x = 40,368.60 × 15,823.86
  4. Step 4: Simplify right side
    29,252.61x = 638,787,074.80
  5. Step 5: Solve for x
    x = 638,787,074.80/29,252.61
  6. Step 6: Final answer
    x = 21,836.93

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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.