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Finding the Fourth Proportional to 9,355.56, 12,927.12 and 7,482.62

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Solution

The fourth proportional to 9,355.56, 12,927.12 and 7,482.62 is: 10,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.56 : 12,927.12 = 7,482.62 : x
  2. Step 2: Convert to fraction form
    9,355.56/12,927.12 = 7,482.62/x
  3. Step 3: Cross multiply
    9,355.56x = 12,927.12 × 7,482.62
  4. Step 4: Simplify right side
    9,355.56x = 96,728,726.65
  5. Step 5: Solve for x
    x = 96,728,726.65/9,355.56
  6. Step 6: Final answer
    x = 10,339.17

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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.