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Finding the Fourth Proportional to 64,402.93, 88,880.61 and 35,731.99

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Solution

The fourth proportional to 64,402.93, 88,880.61 and 35,731.99 is: 49,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,402.93 : 88,880.61 = 35,731.99 : x
  2. Step 2: Convert to fraction form
    64,402.93/88,880.61 = 35,731.99/x
  3. Step 3: Cross multiply
    64,402.93x = 88,880.61 × 35,731.99
  4. Step 4: Simplify right side
    64,402.93x = 3,175,881,067.71
  5. Step 5: Solve for x
    x = 3,175,881,067.71/64,402.93
  6. Step 6: Final answer
    x = 49,312.68

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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.