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Finding the Fourth Proportional to 72,258.60, 108,390.72 and 22,334.24

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Solution

The fourth proportional to 72,258.60, 108,390.72 and 22,334.24 is: 33,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,258.60 : 108,390.72 = 22,334.24 : x
  2. Step 2: Convert to fraction form
    72,258.60/108,390.72 = 22,334.24/x
  3. Step 3: Cross multiply
    72,258.60x = 108,390.72 × 22,334.24
  4. Step 4: Simplify right side
    72,258.60x = 2,420,824,354.25
  5. Step 5: Solve for x
    x = 2,420,824,354.25/72,258.60
  6. Step 6: Final answer
    x = 33,502.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.