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Finding the Fourth Proportional to 9,595.51, 13,236.49 and 7,988.51

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Solution

The fourth proportional to 9,595.51, 13,236.49 and 7,988.51 is: 11,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,595.51 : 13,236.49 = 7,988.51 : x
  2. Step 2: Convert to fraction form
    9,595.51/13,236.49 = 7,988.51/x
  3. Step 3: Cross multiply
    9,595.51x = 13,236.49 × 7,988.51
  4. Step 4: Simplify right side
    9,595.51x = 105,739,832.73
  5. Step 5: Solve for x
    x = 105,739,832.73/9,595.51
  6. Step 6: Final answer
    x = 11,019.72

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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.