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Finding the Fourth Proportional to 64,366.60, 96,809.10 and 57,627.40

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Solution

The fourth proportional to 64,366.60, 96,809.10 and 57,627.40 is: 86,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,366.60 : 96,809.10 = 57,627.40 : x
  2. Step 2: Convert to fraction form
    64,366.60/96,809.10 = 57,627.40/x
  3. Step 3: Cross multiply
    64,366.60x = 96,809.10 × 57,627.40
  4. Step 4: Simplify right side
    64,366.60x = 5,578,856,729.34
  5. Step 5: Solve for x
    x = 5,578,856,729.34/64,366.60
  6. Step 6: Final answer
    x = 86,673.16

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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.