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Finding the Fourth Proportional to 61,383.80, 84,708.24 and 37,510.40

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Solution

The fourth proportional to 61,383.80, 84,708.24 and 37,510.40 is: 51,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,383.80 : 84,708.24 = 37,510.40 : x
  2. Step 2: Convert to fraction form
    61,383.80/84,708.24 = 37,510.40/x
  3. Step 3: Cross multiply
    61,383.80x = 84,708.24 × 37,510.40
  4. Step 4: Simplify right side
    61,383.80x = 3,177,439,965.70
  5. Step 5: Solve for x
    x = 3,177,439,965.70/61,383.80
  6. Step 6: Final answer
    x = 51,763.49

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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.