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Finding the Fourth Proportional to 16,521.99, 22,792.91 and 9,807.90

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Solution

The fourth proportional to 16,521.99, 22,792.91 and 9,807.90 is: 13,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.99 : 22,792.91 = 9,807.90 : x
  2. Step 2: Convert to fraction form
    16,521.99/22,792.91 = 9,807.90/x
  3. Step 3: Cross multiply
    16,521.99x = 22,792.91 × 9,807.90
  4. Step 4: Simplify right side
    16,521.99x = 223,550,532.95
  5. Step 5: Solve for x
    x = 223,550,532.95/16,521.99
  6. Step 6: Final answer
    x = 13,530.48

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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.