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Finding the Fourth Proportional to 22,303.52, 30,719.70 and 16,620.04

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Solution

The fourth proportional to 22,303.52, 30,719.70 and 16,620.04 is: 22,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,303.52 : 30,719.70 = 16,620.04 : x
  2. Step 2: Convert to fraction form
    22,303.52/30,719.70 = 16,620.04/x
  3. Step 3: Cross multiply
    22,303.52x = 30,719.70 × 16,620.04
  4. Step 4: Simplify right side
    22,303.52x = 510,562,642.79
  5. Step 5: Solve for x
    x = 510,562,642.79/22,303.52
  6. Step 6: Final answer
    x = 22,891.57

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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.