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Finding the Fourth Proportional to 4,547.80, 6,818.10 and 2,495.80

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Solution

The fourth proportional to 4,547.80, 6,818.10 and 2,495.80 is: 3,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.80 : 6,818.10 = 2,495.80 : x
  2. Step 2: Convert to fraction form
    4,547.80/6,818.10 = 2,495.80/x
  3. Step 3: Cross multiply
    4,547.80x = 6,818.10 × 2,495.80
  4. Step 4: Simplify right side
    4,547.80x = 17,016,613.98
  5. Step 5: Solve for x
    x = 17,016,613.98/4,547.80
  6. Step 6: Final answer
    x = 3,741.72

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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.