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Finding the Fourth Proportional to 16,984.13, 23,436.99 and 9,430.11

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Solution

The fourth proportional to 16,984.13, 23,436.99 and 9,430.11 is: 13,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.13 : 23,436.99 = 9,430.11 : x
  2. Step 2: Convert to fraction form
    16,984.13/23,436.99 = 9,430.11/x
  3. Step 3: Cross multiply
    16,984.13x = 23,436.99 × 9,430.11
  4. Step 4: Simplify right side
    16,984.13x = 221,013,393.77
  5. Step 5: Solve for x
    x = 221,013,393.77/16,984.13
  6. Step 6: Final answer
    x = 13,012.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.