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Finding the Fourth Proportional to 60,650.10, 83,710.80 and 39,392.46

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Solution

The fourth proportional to 60,650.10, 83,710.80 and 39,392.46 is: 54,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,650.10 : 83,710.80 = 39,392.46 : x
  2. Step 2: Convert to fraction form
    60,650.10/83,710.80 = 39,392.46/x
  3. Step 3: Cross multiply
    60,650.10x = 83,710.80 × 39,392.46
  4. Step 4: Simplify right side
    60,650.10x = 3,297,574,340.57
  5. Step 5: Solve for x
    x = 3,297,574,340.57/60,650.10
  6. Step 6: Final answer
    x = 54,370.47

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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.