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Finding the Fourth Proportional to 76,329.97, 105,326.62 and 44,064.46

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Solution

The fourth proportional to 76,329.97, 105,326.62 and 44,064.46 is: 60,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,329.97 : 105,326.62 = 44,064.46 : x
  2. Step 2: Convert to fraction form
    76,329.97/105,326.62 = 44,064.46/x
  3. Step 3: Cross multiply
    76,329.97x = 105,326.62 × 44,064.46
  4. Step 4: Simplify right side
    76,329.97x = 4,641,160,655.42
  5. Step 5: Solve for x
    x = 4,641,160,655.42/76,329.97
  6. Step 6: Final answer
    x = 60,803.91

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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.