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Finding the Fourth Proportional to 60,668.13, 83,724.44 and 33,810.40

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Solution

The fourth proportional to 60,668.13, 83,724.44 and 33,810.40 is: 46,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,668.13 : 83,724.44 = 33,810.40 : x
  2. Step 2: Convert to fraction form
    60,668.13/83,724.44 = 33,810.40/x
  3. Step 3: Cross multiply
    60,668.13x = 83,724.44 × 33,810.40
  4. Step 4: Simplify right side
    60,668.13x = 2,830,756,806.18
  5. Step 5: Solve for x
    x = 2,830,756,806.18/60,668.13
  6. Step 6: Final answer
    x = 46,659.70

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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.