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Finding the Fourth Proportional to 17,291.17, 25,931.62 and 7,428.14

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Solution

The fourth proportional to 17,291.17, 25,931.62 and 7,428.14 is: 11,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.17 : 25,931.62 = 7,428.14 : x
  2. Step 2: Convert to fraction form
    17,291.17/25,931.62 = 7,428.14/x
  3. Step 3: Cross multiply
    17,291.17x = 25,931.62 × 7,428.14
  4. Step 4: Simplify right side
    17,291.17x = 192,623,685.22
  5. Step 5: Solve for x
    x = 192,623,685.22/17,291.17
  6. Step 6: Final answer
    x = 11,140.01

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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.