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Finding the Fourth Proportional to 5,824.80, 8,700.01 and 5,047.20

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Solution

The fourth proportional to 5,824.80, 8,700.01 and 5,047.20 is: 7,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.80 : 8,700.01 = 5,047.20 : x
  2. Step 2: Convert to fraction form
    5,824.80/8,700.01 = 5,047.20/x
  3. Step 3: Cross multiply
    5,824.80x = 8,700.01 × 5,047.20
  4. Step 4: Simplify right side
    5,824.80x = 43,910,690.47
  5. Step 5: Solve for x
    x = 43,910,690.47/5,824.80
  6. Step 6: Final answer
    x = 7,538.57

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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.