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Finding the Fourth Proportional to 61,920.41, 85,451.16 and 35,062.19

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Solution

The fourth proportional to 61,920.41, 85,451.16 and 35,062.19 is: 48,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920.41 : 85,451.16 = 35,062.19 : x
  2. Step 2: Convert to fraction form
    61,920.41/85,451.16 = 35,062.19/x
  3. Step 3: Cross multiply
    61,920.41x = 85,451.16 × 35,062.19
  4. Step 4: Simplify right side
    61,920.41x = 2,996,104,632.33
  5. Step 5: Solve for x
    x = 2,996,104,632.33/61,920.41
  6. Step 6: Final answer
    x = 48,386.38

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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.