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Finding the Fourth Proportional to 17,705.71, 26,574.97 and 8,946.77

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Solution

The fourth proportional to 17,705.71, 26,574.97 and 8,946.77 is: 13,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.71 : 26,574.97 = 8,946.77 : x
  2. Step 2: Convert to fraction form
    17,705.71/26,574.97 = 8,946.77/x
  3. Step 3: Cross multiply
    17,705.71x = 26,574.97 × 8,946.77
  4. Step 4: Simplify right side
    17,705.71x = 237,760,188.42
  5. Step 5: Solve for x
    x = 237,760,188.42/17,705.71
  6. Step 6: Final answer
    x = 13,428.45

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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.