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Finding the Fourth Proportional to 28,947.60, 43,356.60 and 23,763.60

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Solution

The fourth proportional to 28,947.60, 43,356.60 and 23,763.60 is: 35,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.60 : 43,356.60 = 23,763.60 : x
  2. Step 2: Convert to fraction form
    28,947.60/43,356.60 = 23,763.60/x
  3. Step 3: Cross multiply
    28,947.60x = 43,356.60 × 23,763.60
  4. Step 4: Simplify right side
    28,947.60x = 1,030,308,899.76
  5. Step 5: Solve for x
    x = 1,030,308,899.76/28,947.60
  6. Step 6: Final answer
    x = 35,592.20

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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.