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Finding the Fourth Proportional to 5,810.44, 8,712.76 and 1,913.52

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Solution

The fourth proportional to 5,810.44, 8,712.76 and 1,913.52 is: 2,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.44 : 8,712.76 = 1,913.52 : x
  2. Step 2: Convert to fraction form
    5,810.44/8,712.76 = 1,913.52/x
  3. Step 3: Cross multiply
    5,810.44x = 8,712.76 × 1,913.52
  4. Step 4: Simplify right side
    5,810.44x = 16,672,040.52
  5. Step 5: Solve for x
    x = 16,672,040.52/5,810.44
  6. Step 6: Final answer
    x = 2,869.32

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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.