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Finding the Fourth Proportional to 9,988.83, 14,968.97 and 7,335.52

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Solution

The fourth proportional to 9,988.83, 14,968.97 and 7,335.52 is: 10,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.83 : 14,968.97 = 7,335.52 : x
  2. Step 2: Convert to fraction form
    9,988.83/14,968.97 = 7,335.52/x
  3. Step 3: Cross multiply
    9,988.83x = 14,968.97 × 7,335.52
  4. Step 4: Simplify right side
    9,988.83x = 109,805,178.81
  5. Step 5: Solve for x
    x = 109,805,178.81/9,988.83
  6. Step 6: Final answer
    x = 10,992.80

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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.