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Finding the Fourth Proportional to 64,449.64, 88,934.34 and 36,153.64

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Solution

The fourth proportional to 64,449.64, 88,934.34 and 36,153.64 is: 49,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,449.64 : 88,934.34 = 36,153.64 : x
  2. Step 2: Convert to fraction form
    64,449.64/88,934.34 = 36,153.64/x
  3. Step 3: Cross multiply
    64,449.64x = 88,934.34 × 36,153.64
  4. Step 4: Simplify right side
    64,449.64x = 3,215,300,112.00
  5. Step 5: Solve for x
    x = 3,215,300,112.00/64,449.64
  6. Step 6: Final answer
    x = 49,888.57

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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.