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Finding the Fourth Proportional to 60,612.70, 83,642.60 and 35,117.82

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Solution

The fourth proportional to 60,612.70, 83,642.60 and 35,117.82 is: 48,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.70 : 83,642.60 = 35,117.82 : x
  2. Step 2: Convert to fraction form
    60,612.70/83,642.60 = 35,117.82/x
  3. Step 3: Cross multiply
    60,612.70x = 83,642.60 × 35,117.82
  4. Step 4: Simplify right side
    60,612.70x = 2,937,345,771.13
  5. Step 5: Solve for x
    x = 2,937,345,771.13/60,612.70
  6. Step 6: Final answer
    x = 48,460.90

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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.