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Finding the Fourth Proportional to 61,033.54, 91,092.74 and 57,047.74

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Solution

The fourth proportional to 61,033.54, 91,092.74 and 57,047.74 is: 85,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,033.54 : 91,092.74 = 57,047.74 : x
  2. Step 2: Convert to fraction form
    61,033.54/91,092.74 = 57,047.74/x
  3. Step 3: Cross multiply
    61,033.54x = 91,092.74 × 57,047.74
  4. Step 4: Simplify right side
    61,033.54x = 5,196,634,947.41
  5. Step 5: Solve for x
    x = 5,196,634,947.41/61,033.54
  6. Step 6: Final answer
    x = 85,143.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.