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Finding the Fourth Proportional to 8,526.72, 12,790.08 and 3,334.08

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Solution

The fourth proportional to 8,526.72, 12,790.08 and 3,334.08 is: 5,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.72 : 12,790.08 = 3,334.08 : x
  2. Step 2: Convert to fraction form
    8,526.72/12,790.08 = 3,334.08/x
  3. Step 3: Cross multiply
    8,526.72x = 12,790.08 × 3,334.08
  4. Step 4: Simplify right side
    8,526.72x = 42,643,149.93
  5. Step 5: Solve for x
    x = 42,643,149.93/8,526.72
  6. Step 6: Final answer
    x = 5,001.12

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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.