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Finding the Fourth Proportional to 11,482.04, 15,846.95 and 7,008.40

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Solution

The fourth proportional to 11,482.04, 15,846.95 and 7,008.40 is: 9,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.04 : 15,846.95 = 7,008.40 : x
  2. Step 2: Convert to fraction form
    11,482.04/15,846.95 = 7,008.40/x
  3. Step 3: Cross multiply
    11,482.04x = 15,846.95 × 7,008.40
  4. Step 4: Simplify right side
    11,482.04x = 111,061,694.68
  5. Step 5: Solve for x
    x = 111,061,694.68/11,482.04
  6. Step 6: Final answer
    x = 9,672.64

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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.