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Finding the Fourth Proportional to 64,184.64, 88,601.76 and 39,042.88

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Solution

The fourth proportional to 64,184.64, 88,601.76 and 39,042.88 is: 53,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,184.64 : 88,601.76 = 39,042.88 : x
  2. Step 2: Convert to fraction form
    64,184.64/88,601.76 = 39,042.88/x
  3. Step 3: Cross multiply
    64,184.64x = 88,601.76 × 39,042.88
  4. Step 4: Simplify right side
    64,184.64x = 3,459,267,883.47
  5. Step 5: Solve for x
    x = 3,459,267,883.47/64,184.64
  6. Step 6: Final answer
    x = 53,895.57

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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.