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Finding the Fourth Proportional to 4,547.76, 6,824.68 and 1,951.32

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Solution

The fourth proportional to 4,547.76, 6,824.68 and 1,951.32 is: 2,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.76 : 6,824.68 = 1,951.32 : x
  2. Step 2: Convert to fraction form
    4,547.76/6,824.68 = 1,951.32/x
  3. Step 3: Cross multiply
    4,547.76x = 6,824.68 × 1,951.32
  4. Step 4: Simplify right side
    4,547.76x = 13,317,134.58
  5. Step 5: Solve for x
    x = 13,317,134.58/4,547.76
  6. Step 6: Final answer
    x = 2,928.28

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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.