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Finding the Fourth Proportional to 6,547.83, 9,819.78 and 1,867.51

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Solution

The fourth proportional to 6,547.83, 9,819.78 and 1,867.51 is: 2,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.83 : 9,819.78 = 1,867.51 : x
  2. Step 2: Convert to fraction form
    6,547.83/9,819.78 = 1,867.51/x
  3. Step 3: Cross multiply
    6,547.83x = 9,819.78 × 1,867.51
  4. Step 4: Simplify right side
    6,547.83x = 18,338,537.35
  5. Step 5: Solve for x
    x = 18,338,537.35/6,547.83
  6. Step 6: Final answer
    x = 2,800.70

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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.