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Finding the Fourth Proportional to 64,502.04, 96,780.60 and 27,071.40

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Solution

The fourth proportional to 64,502.04, 96,780.60 and 27,071.40 is: 40,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,502.04 : 96,780.60 = 27,071.40 : x
  2. Step 2: Convert to fraction form
    64,502.04/96,780.60 = 27,071.40/x
  3. Step 3: Cross multiply
    64,502.04x = 96,780.60 × 27,071.40
  4. Step 4: Simplify right side
    64,502.04x = 2,619,986,334.84
  5. Step 5: Solve for x
    x = 2,619,986,334.84/64,502.04
  6. Step 6: Final answer
    x = 40,618.66

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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.