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Finding the Fourth Proportional to 64,301.49, 88,733.61 and 36,005.76

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Solution

The fourth proportional to 64,301.49, 88,733.61 and 36,005.76 is: 49,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,301.49 : 88,733.61 = 36,005.76 : x
  2. Step 2: Convert to fraction form
    64,301.49/88,733.61 = 36,005.76/x
  3. Step 3: Cross multiply
    64,301.49x = 88,733.61 × 36,005.76
  4. Step 4: Simplify right side
    64,301.49x = 3,194,921,065.59
  5. Step 5: Solve for x
    x = 3,194,921,065.59/64,301.49
  6. Step 6: Final answer
    x = 49,686.58

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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.