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Finding the Fourth Proportional to 9,137.07, 13,691.88 and 7,053.93

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Solution

The fourth proportional to 9,137.07, 13,691.88 and 7,053.93 is: 10,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.07 : 13,691.88 = 7,053.93 : x
  2. Step 2: Convert to fraction form
    9,137.07/13,691.88 = 7,053.93/x
  3. Step 3: Cross multiply
    9,137.07x = 13,691.88 × 7,053.93
  4. Step 4: Simplify right side
    9,137.07x = 96,581,563.09
  5. Step 5: Solve for x
    x = 96,581,563.09/9,137.07
  6. Step 6: Final answer
    x = 10,570.30

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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.