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Finding the Fourth Proportional to 2,303.27, 3,455.13 and 916.29

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Solution

The fourth proportional to 2,303.27, 3,455.13 and 916.29 is: 1,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.27 : 3,455.13 = 916.29 : x
  2. Step 2: Convert to fraction form
    2,303.27/3,455.13 = 916.29/x
  3. Step 3: Cross multiply
    2,303.27x = 3,455.13 × 916.29
  4. Step 4: Simplify right side
    2,303.27x = 3,165,901.07
  5. Step 5: Solve for x
    x = 3,165,901.07/2,303.27
  6. Step 6: Final answer
    x = 1,374.52

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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.