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Finding the Fourth Proportional to 7,606.17, 11,420.19 and 7,482.24

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Solution

The fourth proportional to 7,606.17, 11,420.19 and 7,482.24 is: 11,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.17 : 11,420.19 = 7,482.24 : x
  2. Step 2: Convert to fraction form
    7,606.17/11,420.19 = 7,482.24/x
  3. Step 3: Cross multiply
    7,606.17x = 11,420.19 × 7,482.24
  4. Step 4: Simplify right side
    7,606.17x = 85,448,602.43
  5. Step 5: Solve for x
    x = 85,448,602.43/7,606.17
  6. Step 6: Final answer
    x = 11,234.12

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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.