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Finding the Fourth Proportional to 64,026.48, 88,395.48 and 43,916.40

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Solution

The fourth proportional to 64,026.48, 88,395.48 and 43,916.40 is: 60,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,026.48 : 88,395.48 = 43,916.40 : x
  2. Step 2: Convert to fraction form
    64,026.48/88,395.48 = 43,916.40/x
  3. Step 3: Cross multiply
    64,026.48x = 88,395.48 × 43,916.40
  4. Step 4: Simplify right side
    64,026.48x = 3,882,011,257.87
  5. Step 5: Solve for x
    x = 3,882,011,257.87/64,026.48
  6. Step 6: Final answer
    x = 60,631.34

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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.