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Finding the Fourth Proportional to 5,807.72, 8,712.05 and 3,483.59

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Solution

The fourth proportional to 5,807.72, 8,712.05 and 3,483.59 is: 5,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.72 : 8,712.05 = 3,483.59 : x
  2. Step 2: Convert to fraction form
    5,807.72/8,712.05 = 3,483.59/x
  3. Step 3: Cross multiply
    5,807.72x = 8,712.05 × 3,483.59
  4. Step 4: Simplify right side
    5,807.72x = 30,349,149.28
  5. Step 5: Solve for x
    x = 30,349,149.28/5,807.72
  6. Step 6: Final answer
    x = 5,225.66

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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.