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Finding the Fourth Proportional to 73,385.40, 101,245.74 and 41,547.48

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Solution

The fourth proportional to 73,385.40, 101,245.74 and 41,547.48 is: 57,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,385.40 : 101,245.74 = 41,547.48 : x
  2. Step 2: Convert to fraction form
    73,385.40/101,245.74 = 41,547.48/x
  3. Step 3: Cross multiply
    73,385.40x = 101,245.74 × 41,547.48
  4. Step 4: Simplify right side
    73,385.40x = 4,206,505,357.74
  5. Step 5: Solve for x
    x = 4,206,505,357.74/73,385.40
  6. Step 6: Final answer
    x = 57,320.74

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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.