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Finding the Fourth Proportional to 61,510.59, 84,905.58 and 38,245.23

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Solution

The fourth proportional to 61,510.59, 84,905.58 and 38,245.23 is: 52,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,510.59 : 84,905.58 = 38,245.23 : x
  2. Step 2: Convert to fraction form
    61,510.59/84,905.58 = 38,245.23/x
  3. Step 3: Cross multiply
    61,510.59x = 84,905.58 × 38,245.23
  4. Step 4: Simplify right side
    61,510.59x = 3,247,233,435.38
  5. Step 5: Solve for x
    x = 3,247,233,435.38/61,510.59
  6. Step 6: Final answer
    x = 52,791.45

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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.