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Finding the Fourth Proportional to 22,930.59, 34,395.93 and 6,290.86

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Solution

The fourth proportional to 22,930.59, 34,395.93 and 6,290.86 is: 9,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.59 : 34,395.93 = 6,290.86 : x
  2. Step 2: Convert to fraction form
    22,930.59/34,395.93 = 6,290.86/x
  3. Step 3: Cross multiply
    22,930.59x = 34,395.93 × 6,290.86
  4. Step 4: Simplify right side
    22,930.59x = 216,379,980.20
  5. Step 5: Solve for x
    x = 216,379,980.20/22,930.59
  6. Step 6: Final answer
    x = 9,436.30

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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.