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Finding the Fourth Proportional to 1,325.66, 1,823.32 and 1,063.10

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Solution

The fourth proportional to 1,325.66, 1,823.32 and 1,063.10 is: 1,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.66 : 1,823.32 = 1,063.10 : x
  2. Step 2: Convert to fraction form
    1,325.66/1,823.32 = 1,063.10/x
  3. Step 3: Cross multiply
    1,325.66x = 1,823.32 × 1,063.10
  4. Step 4: Simplify right side
    1,325.66x = 1,938,359.72
  5. Step 5: Solve for x
    x = 1,938,359.72/1,325.66
  6. Step 6: Final answer
    x = 1,462.19

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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.