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Finding the Fourth Proportional to 64,358.94, 88,815.45 and 36,064.63

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Solution

The fourth proportional to 64,358.94, 88,815.45 and 36,064.63 is: 49,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,358.94 : 88,815.45 = 36,064.63 : x
  2. Step 2: Convert to fraction form
    64,358.94/88,815.45 = 36,064.63/x
  3. Step 3: Cross multiply
    64,358.94x = 88,815.45 × 36,064.63
  4. Step 4: Simplify right side
    64,358.94x = 3,203,096,342.53
  5. Step 5: Solve for x
    x = 3,203,096,342.53/64,358.94
  6. Step 6: Final answer
    x = 49,769.25

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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.