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Finding the Fourth Proportional to 15,669.72, 23,482.47 and 8,652.89

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Solution

The fourth proportional to 15,669.72, 23,482.47 and 8,652.89 is: 12,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.72 : 23,482.47 = 8,652.89 : x
  2. Step 2: Convert to fraction form
    15,669.72/23,482.47 = 8,652.89/x
  3. Step 3: Cross multiply
    15,669.72x = 23,482.47 × 8,652.89
  4. Step 4: Simplify right side
    15,669.72x = 203,191,221.93
  5. Step 5: Solve for x
    x = 203,191,221.93/15,669.72
  6. Step 6: Final answer
    x = 12,967.13

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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.