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Finding the Fourth Proportional to 2,322.94, 3,484.14 and 862.12

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Solution

The fourth proportional to 2,322.94, 3,484.14 and 862.12 is: 1,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.94 : 3,484.14 = 862.12 : x
  2. Step 2: Convert to fraction form
    2,322.94/3,484.14 = 862.12/x
  3. Step 3: Cross multiply
    2,322.94x = 3,484.14 × 862.12
  4. Step 4: Simplify right side
    2,322.94x = 3,003,746.78
  5. Step 5: Solve for x
    x = 3,003,746.78/2,322.94
  6. Step 6: Final answer
    x = 1,293.08

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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.