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Finding the Fourth Proportional to 57,423.52, 79,268.76 and 53,836.48

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Solution

The fourth proportional to 57,423.52, 79,268.76 and 53,836.48 is: 74,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,423.52 : 79,268.76 = 53,836.48 : x
  2. Step 2: Convert to fraction form
    57,423.52/79,268.76 = 53,836.48/x
  3. Step 3: Cross multiply
    57,423.52x = 79,268.76 × 53,836.48
  4. Step 4: Simplify right side
    57,423.52x = 4,267,551,012.36
  5. Step 5: Solve for x
    x = 4,267,551,012.36/57,423.52
  6. Step 6: Final answer
    x = 74,317.13

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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.