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Finding the Fourth Proportional to 11,597.81, 17,374.84 and 8,987.99

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Solution

The fourth proportional to 11,597.81, 17,374.84 and 8,987.99 is: 13,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,597.81 : 17,374.84 = 8,987.99 : x
  2. Step 2: Convert to fraction form
    11,597.81/17,374.84 = 8,987.99/x
  3. Step 3: Cross multiply
    11,597.81x = 17,374.84 × 8,987.99
  4. Step 4: Simplify right side
    11,597.81x = 156,164,888.17
  5. Step 5: Solve for x
    x = 156,164,888.17/11,597.81
  6. Step 6: Final answer
    x = 13,465.03

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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.