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Finding the Fourth Proportional to 5,000.47, 7,501.64 and 2,079.01

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Solution

The fourth proportional to 5,000.47, 7,501.64 and 2,079.01 is: 3,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.47 : 7,501.64 = 2,079.01 : x
  2. Step 2: Convert to fraction form
    5,000.47/7,501.64 = 2,079.01/x
  3. Step 3: Cross multiply
    5,000.47x = 7,501.64 × 2,079.01
  4. Step 4: Simplify right side
    5,000.47x = 15,595,984.58
  5. Step 5: Solve for x
    x = 15,595,984.58/5,000.47
  6. Step 6: Final answer
    x = 3,118.90

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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.