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Finding the Fourth Proportional to 72,794.16, 100,422.36 and 52,619.04

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Solution

The fourth proportional to 72,794.16, 100,422.36 and 52,619.04 is: 72,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,794.16 : 100,422.36 = 52,619.04 : x
  2. Step 2: Convert to fraction form
    72,794.16/100,422.36 = 52,619.04/x
  3. Step 3: Cross multiply
    72,794.16x = 100,422.36 × 52,619.04
  4. Step 4: Simplify right side
    72,794.16x = 5,284,128,177.73
  5. Step 5: Solve for x
    x = 5,284,128,177.73/72,794.16
  6. Step 6: Final answer
    x = 72,590.00

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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.