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Finding the Fourth Proportional to 29,296.30, 40,428.03 and 16,550.08

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Solution

The fourth proportional to 29,296.30, 40,428.03 and 16,550.08 is: 22,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.30 : 40,428.03 = 16,550.08 : x
  2. Step 2: Convert to fraction form
    29,296.30/40,428.03 = 16,550.08/x
  3. Step 3: Cross multiply
    29,296.30x = 40,428.03 × 16,550.08
  4. Step 4: Simplify right side
    29,296.30x = 669,087,130.74
  5. Step 5: Solve for x
    x = 669,087,130.74/29,296.30
  6. Step 6: Final answer
    x = 22,838.62

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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.