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Finding the Fourth Proportional to 1,754.07, 2,420.73 and 968.10

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Solution

The fourth proportional to 1,754.07, 2,420.73 and 968.10 is: 1,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.07 : 2,420.73 = 968.10 : x
  2. Step 2: Convert to fraction form
    1,754.07/2,420.73 = 968.10/x
  3. Step 3: Cross multiply
    1,754.07x = 2,420.73 × 968.10
  4. Step 4: Simplify right side
    1,754.07x = 2,343,508.71
  5. Step 5: Solve for x
    x = 2,343,508.71/1,754.07
  6. Step 6: Final answer
    x = 1,336.04

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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.