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Finding the Fourth Proportional to 62,886.36, 86,777.84 and 37,040.78

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Solution

The fourth proportional to 62,886.36, 86,777.84 and 37,040.78 is: 51,113.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,886.36 : 86,777.84 = 37,040.78 : x
  2. Step 2: Convert to fraction form
    62,886.36/86,777.84 = 37,040.78/x
  3. Step 3: Cross multiply
    62,886.36x = 86,777.84 × 37,040.78
  4. Step 4: Simplify right side
    62,886.36x = 3,214,318,880.32
  5. Step 5: Solve for x
    x = 3,214,318,880.32/62,886.36
  6. Step 6: Final answer
    x = 51,113.13

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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.