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Finding the Fourth Proportional to 17,705.77, 26,575.08 and 8,946.84

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Solution

The fourth proportional to 17,705.77, 26,575.08 and 8,946.84 is: 13,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.77 : 26,575.08 = 8,946.84 : x
  2. Step 2: Convert to fraction form
    17,705.77/26,575.08 = 8,946.84/x
  3. Step 3: Cross multiply
    17,705.77x = 26,575.08 × 8,946.84
  4. Step 4: Simplify right side
    17,705.77x = 237,762,988.75
  5. Step 5: Solve for x
    x = 237,762,988.75/17,705.77
  6. Step 6: Final answer
    x = 13,428.56

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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.