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Finding the Fourth Proportional to 30,047.63, 41,464.04 and 16,618.10

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Solution

The fourth proportional to 30,047.63, 41,464.04 and 16,618.10 is: 22,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.63 : 41,464.04 = 16,618.10 : x
  2. Step 2: Convert to fraction form
    30,047.63/41,464.04 = 16,618.10/x
  3. Step 3: Cross multiply
    30,047.63x = 41,464.04 × 16,618.10
  4. Step 4: Simplify right side
    30,047.63x = 689,053,272.71
  5. Step 5: Solve for x
    x = 689,053,272.71/30,047.63
  6. Step 6: Final answer
    x = 22,932.04

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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.