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Finding the Fourth Proportional to 64,307.52, 88,741.89 and 36,011.76

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Solution

The fourth proportional to 64,307.52, 88,741.89 and 36,011.76 is: 49,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,307.52 : 88,741.89 = 36,011.76 : x
  2. Step 2: Convert to fraction form
    64,307.52/88,741.89 = 36,011.76/x
  3. Step 3: Cross multiply
    64,307.52x = 88,741.89 × 36,011.76
  4. Step 4: Simplify right side
    64,307.52x = 3,195,751,644.63
  5. Step 5: Solve for x
    x = 3,195,751,644.63/64,307.52
  6. Step 6: Final answer
    x = 49,694.84

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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.