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Finding the Fourth Proportional to 9,988.94, 14,992.61 and 5,062.07

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Solution

The fourth proportional to 9,988.94, 14,992.61 and 5,062.07 is: 7,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.94 : 14,992.61 = 5,062.07 : x
  2. Step 2: Convert to fraction form
    9,988.94/14,992.61 = 5,062.07/x
  3. Step 3: Cross multiply
    9,988.94x = 14,992.61 × 5,062.07
  4. Step 4: Simplify right side
    9,988.94x = 75,893,641.30
  5. Step 5: Solve for x
    x = 75,893,641.30/9,988.94
  6. Step 6: Final answer
    x = 7,597.77

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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.