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Finding the Fourth Proportional to 9,460.65, 13,055.97 and 5,211.98

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Solution

The fourth proportional to 9,460.65, 13,055.97 and 5,211.98 is: 7,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,460.65 : 13,055.97 = 5,211.98 : x
  2. Step 2: Convert to fraction form
    9,460.65/13,055.97 = 5,211.98/x
  3. Step 3: Cross multiply
    9,460.65x = 13,055.97 × 5,211.98
  4. Step 4: Simplify right side
    9,460.65x = 68,047,454.52
  5. Step 5: Solve for x
    x = 68,047,454.52/9,460.65
  6. Step 6: Final answer
    x = 7,192.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.