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Finding the Fourth Proportional to 8,937.01, 12,333.95 and 7,442.29

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Solution

The fourth proportional to 8,937.01, 12,333.95 and 7,442.29 is: 10,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.01 : 12,333.95 = 7,442.29 : x
  2. Step 2: Convert to fraction form
    8,937.01/12,333.95 = 7,442.29/x
  3. Step 3: Cross multiply
    8,937.01x = 12,333.95 × 7,442.29
  4. Step 4: Simplify right side
    8,937.01x = 91,792,832.75
  5. Step 5: Solve for x
    x = 91,792,832.75/8,937.01
  6. Step 6: Final answer
    x = 10,271.09

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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.