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Finding the Fourth Proportional to 64,039.76, 88,373.40 and 35,748.08

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Solution

The fourth proportional to 64,039.76, 88,373.40 and 35,748.08 is: 49,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.76 : 88,373.40 = 35,748.08 : x
  2. Step 2: Convert to fraction form
    64,039.76/88,373.40 = 35,748.08/x
  3. Step 3: Cross multiply
    64,039.76x = 88,373.40 × 35,748.08
  4. Step 4: Simplify right side
    64,039.76x = 3,159,179,373.07
  5. Step 5: Solve for x
    x = 3,159,179,373.07/64,039.76
  6. Step 6: Final answer
    x = 49,331.53

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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.