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Finding the Fourth Proportional to 57,539.78, 79,393.53 and 36,348.10

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Solution

The fourth proportional to 57,539.78, 79,393.53 and 36,348.10 is: 50,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,539.78 : 79,393.53 = 36,348.10 : x
  2. Step 2: Convert to fraction form
    57,539.78/79,393.53 = 36,348.10/x
  3. Step 3: Cross multiply
    57,539.78x = 79,393.53 × 36,348.10
  4. Step 4: Simplify right side
    57,539.78x = 2,885,803,967.79
  5. Step 5: Solve for x
    x = 2,885,803,967.79/57,539.78
  6. Step 6: Final answer
    x = 50,153.20

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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.