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Finding the Fourth Proportional to 4,009.77, 6,013.76 and 1,543.77

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Solution

The fourth proportional to 4,009.77, 6,013.76 and 1,543.77 is: 2,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.77 : 6,013.76 = 1,543.77 : x
  2. Step 2: Convert to fraction form
    4,009.77/6,013.76 = 1,543.77/x
  3. Step 3: Cross multiply
    4,009.77x = 6,013.76 × 1,543.77
  4. Step 4: Simplify right side
    4,009.77x = 9,283,854.56
  5. Step 5: Solve for x
    x = 9,283,854.56/4,009.77
  6. Step 6: Final answer
    x = 2,315.31

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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.