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Finding the Fourth Proportional to 16,527.88, 22,802.94 and 9,356.81

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Solution

The fourth proportional to 16,527.88, 22,802.94 and 9,356.81 is: 12,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,527.88 : 22,802.94 = 9,356.81 : x
  2. Step 2: Convert to fraction form
    16,527.88/22,802.94 = 9,356.81/x
  3. Step 3: Cross multiply
    16,527.88x = 22,802.94 × 9,356.81
  4. Step 4: Simplify right side
    16,527.88x = 213,362,777.02
  5. Step 5: Solve for x
    x = 213,362,777.02/16,527.88
  6. Step 6: Final answer
    x = 12,909.26

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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.