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Finding the Fourth Proportional to 19,247.67, 28,871.46 and 10,464.12

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Solution

The fourth proportional to 19,247.67, 28,871.46 and 10,464.12 is: 15,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.67 : 28,871.46 = 10,464.12 : x
  2. Step 2: Convert to fraction form
    19,247.67/28,871.46 = 10,464.12/x
  3. Step 3: Cross multiply
    19,247.67x = 28,871.46 × 10,464.12
  4. Step 4: Simplify right side
    19,247.67x = 302,114,422.02
  5. Step 5: Solve for x
    x = 302,114,422.02/19,247.67
  6. Step 6: Final answer
    x = 15,696.16

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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.