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Finding the Fourth Proportional to 15,241.08, 21,036.06 and 9,651

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Solution

The fourth proportional to 15,241.08, 21,036.06 and 9,651 is: 13,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.08 : 21,036.06 = 9,651 : x
  2. Step 2: Convert to fraction form
    15,241.08/21,036.06 = 9,651/x
  3. Step 3: Cross multiply
    15,241.08x = 21,036.06 × 9,651
  4. Step 4: Simplify right side
    15,241.08x = 203,019,015.06
  5. Step 5: Solve for x
    x = 203,019,015.06/15,241.08
  6. Step 6: Final answer
    x = 13,320.51

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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.