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Finding the Fourth Proportional to 64,274.80, 88,709.84 and 44,115.12

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Solution

The fourth proportional to 64,274.80, 88,709.84 and 44,115.12 is: 60,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,274.80 : 88,709.84 = 44,115.12 : x
  2. Step 2: Convert to fraction form
    64,274.80/88,709.84 = 44,115.12/x
  3. Step 3: Cross multiply
    64,274.80x = 88,709.84 × 44,115.12
  4. Step 4: Simplify right side
    64,274.80x = 3,913,445,236.78
  5. Step 5: Solve for x
    x = 3,913,445,236.78/64,274.80
  6. Step 6: Final answer
    x = 60,886.15

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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.