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Finding the Fourth Proportional to 64,200.68, 88,599.55 and 35,519.84

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Solution

The fourth proportional to 64,200.68, 88,599.55 and 35,519.84 is: 49,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,200.68 : 88,599.55 = 35,519.84 : x
  2. Step 2: Convert to fraction form
    64,200.68/88,599.55 = 35,519.84/x
  3. Step 3: Cross multiply
    64,200.68x = 88,599.55 × 35,519.84
  4. Step 4: Simplify right side
    64,200.68x = 3,147,041,972.77
  5. Step 5: Solve for x
    x = 3,147,041,972.77/64,200.68
  6. Step 6: Final answer
    x = 49,018.82

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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.