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Finding the Fourth Proportional to 68,287.70, 94,203.53 and 45,632.26

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Solution

The fourth proportional to 68,287.70, 94,203.53 and 45,632.26 is: 62,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,287.70 : 94,203.53 = 45,632.26 : x
  2. Step 2: Convert to fraction form
    68,287.70/94,203.53 = 45,632.26/x
  3. Step 3: Cross multiply
    68,287.70x = 94,203.53 × 45,632.26
  4. Step 4: Simplify right side
    68,287.70x = 4,298,719,502.86
  5. Step 5: Solve for x
    x = 4,298,719,502.86/68,287.70
  6. Step 6: Final answer
    x = 62,950.13

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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.