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Finding the Fourth Proportional to 64,460.51, 88,956.18 and 35,780.70

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Solution

The fourth proportional to 64,460.51, 88,956.18 and 35,780.70 is: 49,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,460.51 : 88,956.18 = 35,780.70 : x
  2. Step 2: Convert to fraction form
    64,460.51/88,956.18 = 35,780.70/x
  3. Step 3: Cross multiply
    64,460.51x = 88,956.18 × 35,780.70
  4. Step 4: Simplify right side
    64,460.51x = 3,182,914,389.73
  5. Step 5: Solve for x
    x = 3,182,914,389.73/64,460.51
  6. Step 6: Final answer
    x = 49,377.75

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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.