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Finding the Fourth Proportional to 9,019.93, 13,460.38 and 7,926.66

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Solution

The fourth proportional to 9,019.93, 13,460.38 and 7,926.66 is: 11,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.93 : 13,460.38 = 7,926.66 : x
  2. Step 2: Convert to fraction form
    9,019.93/13,460.38 = 7,926.66/x
  3. Step 3: Cross multiply
    9,019.93x = 13,460.38 × 7,926.66
  4. Step 4: Simplify right side
    9,019.93x = 106,695,835.91
  5. Step 5: Solve for x
    x = 106,695,835.91/9,019.93
  6. Step 6: Final answer
    x = 11,828.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.