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Finding the Fourth Proportional to 9,030.11, 13,512.33 and 7,455.47

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Solution

The fourth proportional to 9,030.11, 13,512.33 and 7,455.47 is: 11,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.11 : 13,512.33 = 7,455.47 : x
  2. Step 2: Convert to fraction form
    9,030.11/13,512.33 = 7,455.47/x
  3. Step 3: Cross multiply
    9,030.11x = 13,512.33 × 7,455.47
  4. Step 4: Simplify right side
    9,030.11x = 100,740,703.38
  5. Step 5: Solve for x
    x = 100,740,703.38/9,030.11
  6. Step 6: Final answer
    x = 11,156.09

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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.