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Finding the Fourth Proportional to 64,154.95, 88,530.24 and 35,472.95

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Solution

The fourth proportional to 64,154.95, 88,530.24 and 35,472.95 is: 48,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154.95 : 88,530.24 = 35,472.95 : x
  2. Step 2: Convert to fraction form
    64,154.95/88,530.24 = 35,472.95/x
  3. Step 3: Cross multiply
    64,154.95x = 88,530.24 × 35,472.95
  4. Step 4: Simplify right side
    64,154.95x = 3,140,428,334.36
  5. Step 5: Solve for x
    x = 3,140,428,334.36/64,154.95
  6. Step 6: Final answer
    x = 48,950.68

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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.