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Finding the Fourth Proportional to 64,038.76, 88,371.30 and 35,743.72

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Solution

The fourth proportional to 64,038.76, 88,371.30 and 35,743.72 is: 49,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,038.76 : 88,371.30 = 35,743.72 : x
  2. Step 2: Convert to fraction form
    64,038.76/88,371.30 = 35,743.72/x
  3. Step 3: Cross multiply
    64,038.76x = 88,371.30 × 35,743.72
  4. Step 4: Simplify right side
    64,038.76x = 3,158,719,003.24
  5. Step 5: Solve for x
    x = 3,158,719,003.24/64,038.76
  6. Step 6: Final answer
    x = 49,325.11

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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.