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Finding the Fourth Proportional to 6,653.51, 9,981.29 and 1,973.03

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Solution

The fourth proportional to 6,653.51, 9,981.29 and 1,973.03 is: 2,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.51 : 9,981.29 = 1,973.03 : x
  2. Step 2: Convert to fraction form
    6,653.51/9,981.29 = 1,973.03/x
  3. Step 3: Cross multiply
    6,653.51x = 9,981.29 × 1,973.03
  4. Step 4: Simplify right side
    6,653.51x = 19,693,414.49
  5. Step 5: Solve for x
    x = 19,693,414.49/6,653.51
  6. Step 6: Final answer
    x = 2,959.85

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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.