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Finding the Fourth Proportional to 64,043.20, 88,377.78 and 35,748.28

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Solution

The fourth proportional to 64,043.20, 88,377.78 and 35,748.28 is: 49,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,043.20 : 88,377.78 = 35,748.28 : x
  2. Step 2: Convert to fraction form
    64,043.20/88,377.78 = 35,748.28/x
  3. Step 3: Cross multiply
    64,043.20x = 88,377.78 × 35,748.28
  4. Step 4: Simplify right side
    64,043.20x = 3,159,353,625.22
  5. Step 5: Solve for x
    x = 3,159,353,625.22/64,043.20
  6. Step 6: Final answer
    x = 49,331.60

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1.5x scale

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.