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Finding the Fourth Proportional to 53,948.64, 80,523.48 and 50,624.40

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Solution

The fourth proportional to 53,948.64, 80,523.48 and 50,624.40 is: 75,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948.64 : 80,523.48 = 50,624.40 : x
  2. Step 2: Convert to fraction form
    53,948.64/80,523.48 = 50,624.40/x
  3. Step 3: Cross multiply
    53,948.64x = 80,523.48 × 50,624.40
  4. Step 4: Simplify right side
    53,948.64x = 4,076,452,860.91
  5. Step 5: Solve for x
    x = 4,076,452,860.91/53,948.64
  6. Step 6: Final answer
    x = 75,561.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.