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Finding the Fourth Proportional to 5,019.56, 6,929.86 and 4,465.88

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Solution

The fourth proportional to 5,019.56, 6,929.86 and 4,465.88 is: 6,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.56 : 6,929.86 = 4,465.88 : x
  2. Step 2: Convert to fraction form
    5,019.56/6,929.86 = 4,465.88/x
  3. Step 3: Cross multiply
    5,019.56x = 6,929.86 × 4,465.88
  4. Step 4: Simplify right side
    5,019.56x = 30,947,923.18
  5. Step 5: Solve for x
    x = 30,947,923.18/5,019.56
  6. Step 6: Final answer
    x = 6,165.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.