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Finding the Fourth Proportional to 16,482.30, 24,731.58 and 7,715.70

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Solution

The fourth proportional to 16,482.30, 24,731.58 and 7,715.70 is: 11,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482.30 : 24,731.58 = 7,715.70 : x
  2. Step 2: Convert to fraction form
    16,482.30/24,731.58 = 7,715.70/x
  3. Step 3: Cross multiply
    16,482.30x = 24,731.58 × 7,715.70
  4. Step 4: Simplify right side
    16,482.30x = 190,821,451.81
  5. Step 5: Solve for x
    x = 190,821,451.81/16,482.30
  6. Step 6: Final answer
    x = 11,577.36

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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.