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Finding the Fourth Proportional to 64,806.40, 97,209.60 and 27,339.52

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Solution

The fourth proportional to 64,806.40, 97,209.60 and 27,339.52 is: 41,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,806.40 : 97,209.60 = 27,339.52 : x
  2. Step 2: Convert to fraction form
    64,806.40/97,209.60 = 27,339.52/x
  3. Step 3: Cross multiply
    64,806.40x = 97,209.60 × 27,339.52
  4. Step 4: Simplify right side
    64,806.40x = 2,657,663,803.39
  5. Step 5: Solve for x
    x = 2,657,663,803.39/64,806.40
  6. Step 6: Final answer
    x = 41,009.28

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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.