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Finding the Fourth Proportional to 60,948.40, 84,111.48 and 34,090.84

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Solution

The fourth proportional to 60,948.40, 84,111.48 and 34,090.84 is: 47,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,948.40 : 84,111.48 = 34,090.84 : x
  2. Step 2: Convert to fraction form
    60,948.40/84,111.48 = 34,090.84/x
  3. Step 3: Cross multiply
    60,948.40x = 84,111.48 × 34,090.84
  4. Step 4: Simplify right side
    60,948.40x = 2,867,431,006.84
  5. Step 5: Solve for x
    x = 2,867,431,006.84/60,948.40
  6. Step 6: Final answer
    x = 47,046.86

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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.