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Finding the Fourth Proportional to 34,252.42, 51,407.80 and 13,490.50

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Solution

The fourth proportional to 34,252.42, 51,407.80 and 13,490.50 is: 20,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,252.42 : 51,407.80 = 13,490.50 : x
  2. Step 2: Convert to fraction form
    34,252.42/51,407.80 = 13,490.50/x
  3. Step 3: Cross multiply
    34,252.42x = 51,407.80 × 13,490.50
  4. Step 4: Simplify right side
    34,252.42x = 693,516,925.90
  5. Step 5: Solve for x
    x = 693,516,925.90/34,252.42
  6. Step 6: Final answer
    x = 20,247.24

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