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Finding the Fourth Proportional to 4,547.16, 6,821.16 and 1,260.24

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Solution

The fourth proportional to 4,547.16, 6,821.16 and 1,260.24 is: 1,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.16 : 6,821.16 = 1,260.24 : x
  2. Step 2: Convert to fraction form
    4,547.16/6,821.16 = 1,260.24/x
  3. Step 3: Cross multiply
    4,547.16x = 6,821.16 × 1,260.24
  4. Step 4: Simplify right side
    4,547.16x = 8,596,298.68
  5. Step 5: Solve for x
    x = 8,596,298.68/4,547.16
  6. Step 6: Final answer
    x = 1,890.48

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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.