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Finding the Fourth Proportional to 64,199.97, 88,619.76 and 48,330.45

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Solution

The fourth proportional to 64,199.97, 88,619.76 and 48,330.45 is: 66,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,199.97 : 88,619.76 = 48,330.45 : x
  2. Step 2: Convert to fraction form
    64,199.97/88,619.76 = 48,330.45/x
  3. Step 3: Cross multiply
    64,199.97x = 88,619.76 × 48,330.45
  4. Step 4: Simplify right side
    64,199.97x = 4,283,032,879.69
  5. Step 5: Solve for x
    x = 4,283,032,879.69/64,199.97
  6. Step 6: Final answer
    x = 66,713.94

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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.