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Finding the Fourth Proportional to 61,868.07, 85,378.01 and 33,573.76

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Solution

The fourth proportional to 61,868.07, 85,378.01 and 33,573.76 is: 46,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,868.07 : 85,378.01 = 33,573.76 : x
  2. Step 2: Convert to fraction form
    61,868.07/85,378.01 = 33,573.76/x
  3. Step 3: Cross multiply
    61,868.07x = 85,378.01 × 33,573.76
  4. Step 4: Simplify right side
    61,868.07x = 2,866,460,435.70
  5. Step 5: Solve for x
    x = 2,866,460,435.70/61,868.07
  6. Step 6: Final answer
    x = 46,331.82

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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.