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Finding the Fourth Proportional to 6,654.16, 9,979.54 and 1,973.08

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Solution

The fourth proportional to 6,654.16, 9,979.54 and 1,973.08 is: 2,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.16 : 9,979.54 = 1,973.08 : x
  2. Step 2: Convert to fraction form
    6,654.16/9,979.54 = 1,973.08/x
  3. Step 3: Cross multiply
    6,654.16x = 9,979.54 × 1,973.08
  4. Step 4: Simplify right side
    6,654.16x = 19,690,371.02
  5. Step 5: Solve for x
    x = 19,690,371.02/6,654.16
  6. Step 6: Final answer
    x = 2,959.11

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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.