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Finding the Fourth Proportional to 64,015.58, 88,332.72 and 35,715.80

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Solution

The fourth proportional to 64,015.58, 88,332.72 and 35,715.80 is: 49,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,015.58 : 88,332.72 = 35,715.80 : x
  2. Step 2: Convert to fraction form
    64,015.58/88,332.72 = 35,715.80/x
  3. Step 3: Cross multiply
    64,015.58x = 88,332.72 × 35,715.80
  4. Step 4: Simplify right side
    64,015.58x = 3,154,873,760.98
  5. Step 5: Solve for x
    x = 3,154,873,760.98/64,015.58
  6. Step 6: Final answer
    x = 49,282.91

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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.