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Finding the Fourth Proportional to 76,597.38, 105,661.24 and 45,962.55

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Solution

The fourth proportional to 76,597.38, 105,661.24 and 45,962.55 is: 63,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,597.38 : 105,661.24 = 45,962.55 : x
  2. Step 2: Convert to fraction form
    76,597.38/105,661.24 = 45,962.55/x
  3. Step 3: Cross multiply
    76,597.38x = 105,661.24 × 45,962.55
  4. Step 4: Simplify right side
    76,597.38x = 4,856,459,498.26
  5. Step 5: Solve for x
    x = 4,856,459,498.26/76,597.38
  6. Step 6: Final answer
    x = 63,402.43

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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.