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Finding the Fourth Proportional to 2,570.99, 3,547.94 and 1,508.76

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Solution

The fourth proportional to 2,570.99, 3,547.94 and 1,508.76 is: 2,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.99 : 3,547.94 = 1,508.76 : x
  2. Step 2: Convert to fraction form
    2,570.99/3,547.94 = 1,508.76/x
  3. Step 3: Cross multiply
    2,570.99x = 3,547.94 × 1,508.76
  4. Step 4: Simplify right side
    2,570.99x = 5,352,982.41
  5. Step 5: Solve for x
    x = 5,352,982.41/2,570.99
  6. Step 6: Final answer
    x = 2,082.07

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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.