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Finding the Fourth Proportional to 43,492.60, 60,009.78 and 25,580.80

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Solution

The fourth proportional to 43,492.60, 60,009.78 and 25,580.80 is: 35,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.60 : 60,009.78 = 25,580.80 : x
  2. Step 2: Convert to fraction form
    43,492.60/60,009.78 = 25,580.80/x
  3. Step 3: Cross multiply
    43,492.60x = 60,009.78 × 25,580.80
  4. Step 4: Simplify right side
    43,492.60x = 1,535,098,180.22
  5. Step 5: Solve for x
    x = 1,535,098,180.22/43,492.60
  6. Step 6: Final answer
    x = 35,295.62

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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.