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Finding the Fourth Proportional to 62,645.43, 86,466.56 and 35,803.72

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Solution

The fourth proportional to 62,645.43, 86,466.56 and 35,803.72 is: 49,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,645.43 : 86,466.56 = 35,803.72 : x
  2. Step 2: Convert to fraction form
    62,645.43/86,466.56 = 35,803.72/x
  3. Step 3: Cross multiply
    62,645.43x = 86,466.56 × 35,803.72
  4. Step 4: Simplify right side
    62,645.43x = 3,095,824,432.67
  5. Step 5: Solve for x
    x = 3,095,824,432.67/62,645.43
  6. Step 6: Final answer
    x = 49,418.20

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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.