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Finding the Fourth Proportional to 1,946.48, 2,686.04 and 1,062.24

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Solution

The fourth proportional to 1,946.48, 2,686.04 and 1,062.24 is: 1,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.48 : 2,686.04 = 1,062.24 : x
  2. Step 2: Convert to fraction form
    1,946.48/2,686.04 = 1,062.24/x
  3. Step 3: Cross multiply
    1,946.48x = 2,686.04 × 1,062.24
  4. Step 4: Simplify right side
    1,946.48x = 2,853,219.13
  5. Step 5: Solve for x
    x = 2,853,219.13/1,946.48
  6. Step 6: Final answer
    x = 1,465.84

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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.