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Finding the Fourth Proportional to 35,445.60, 53,168.48 and 33,280.48

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Solution

The fourth proportional to 35,445.60, 53,168.48 and 33,280.48 is: 49,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.60 : 53,168.48 = 33,280.48 : x
  2. Step 2: Convert to fraction form
    35,445.60/53,168.48 = 33,280.48/x
  3. Step 3: Cross multiply
    35,445.60x = 53,168.48 × 33,280.48
  4. Step 4: Simplify right side
    35,445.60x = 1,769,472,535.27
  5. Step 5: Solve for x
    x = 1,769,472,535.27/35,445.60
  6. Step 6: Final answer
    x = 49,920.80

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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.