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Finding the Fourth Proportional to 30,047.32, 41,465.04 and 16,619.56

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Solution

The fourth proportional to 30,047.32, 41,465.04 and 16,619.56 is: 22,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.32 : 41,465.04 = 16,619.56 : x
  2. Step 2: Convert to fraction form
    30,047.32/41,465.04 = 16,619.56/x
  3. Step 3: Cross multiply
    30,047.32x = 41,465.04 × 16,619.56
  4. Step 4: Simplify right side
    30,047.32x = 689,130,720.18
  5. Step 5: Solve for x
    x = 689,130,720.18/30,047.32
  6. Step 6: Final answer
    x = 22,934.85

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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.