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Finding the Fourth Proportional to 51,621.60, 77,475.60 and 25,348.80

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Solution

The fourth proportional to 51,621.60, 77,475.60 and 25,348.80 is: 38,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.60 : 77,475.60 = 25,348.80 : x
  2. Step 2: Convert to fraction form
    51,621.60/77,475.60 = 25,348.80/x
  3. Step 3: Cross multiply
    51,621.60x = 77,475.60 × 25,348.80
  4. Step 4: Simplify right side
    51,621.60x = 1,963,913,489.28
  5. Step 5: Solve for x
    x = 1,963,913,489.28/51,621.60
  6. Step 6: Final answer
    x = 38,044.41

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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.