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Finding the Fourth Proportional to 17,503.68, 26,238.91 and 6,980.16

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Solution

The fourth proportional to 17,503.68, 26,238.91 and 6,980.16 is: 10,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.68 : 26,238.91 = 6,980.16 : x
  2. Step 2: Convert to fraction form
    17,503.68/26,238.91 = 6,980.16/x
  3. Step 3: Cross multiply
    17,503.68x = 26,238.91 × 6,980.16
  4. Step 4: Simplify right side
    17,503.68x = 183,151,790.03
  5. Step 5: Solve for x
    x = 183,151,790.03/17,503.68
  6. Step 6: Final answer
    x = 10,463.62

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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.