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Finding the Fourth Proportional to 73,046.79, 100,807.56 and 41,215.53

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Solution

The fourth proportional to 73,046.79, 100,807.56 and 41,215.53 is: 56,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,046.79 : 100,807.56 = 41,215.53 : x
  2. Step 2: Convert to fraction form
    73,046.79/100,807.56 = 41,215.53/x
  3. Step 3: Cross multiply
    73,046.79x = 100,807.56 × 41,215.53
  4. Step 4: Simplify right side
    73,046.79x = 4,154,837,013.41
  5. Step 5: Solve for x
    x = 4,154,837,013.41/73,046.79
  6. Step 6: Final answer
    x = 56,879.12

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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.