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Finding the Fourth Proportional to 15,607.67, 23,418.30 and 8,210.30

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Solution

The fourth proportional to 15,607.67, 23,418.30 and 8,210.30 is: 12,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.67 : 23,418.30 = 8,210.30 : x
  2. Step 2: Convert to fraction form
    15,607.67/23,418.30 = 8,210.30/x
  3. Step 3: Cross multiply
    15,607.67x = 23,418.30 × 8,210.30
  4. Step 4: Simplify right side
    15,607.67x = 192,271,268.49
  5. Step 5: Solve for x
    x = 192,271,268.49/15,607.67
  6. Step 6: Final answer
    x = 12,319.02

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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.