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Finding the Fourth Proportional to 11,888.01, 17,839.80 and 4,492.47

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Solution

The fourth proportional to 11,888.01, 17,839.80 and 4,492.47 is: 6,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.01 : 17,839.80 = 4,492.47 : x
  2. Step 2: Convert to fraction form
    11,888.01/17,839.80 = 4,492.47/x
  3. Step 3: Cross multiply
    11,888.01x = 17,839.80 × 4,492.47
  4. Step 4: Simplify right side
    11,888.01x = 80,144,698.83
  5. Step 5: Solve for x
    x = 80,144,698.83/11,888.01
  6. Step 6: Final answer
    x = 6,741.64

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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.