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Finding the Fourth Proportional to 30,497.04, 45,671.04 and 18,794.16

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Solution

The fourth proportional to 30,497.04, 45,671.04 and 18,794.16 is: 28,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497.04 : 45,671.04 = 18,794.16 : x
  2. Step 2: Convert to fraction form
    30,497.04/45,671.04 = 18,794.16/x
  3. Step 3: Cross multiply
    30,497.04x = 45,671.04 × 18,794.16
  4. Step 4: Simplify right side
    30,497.04x = 858,348,833.13
  5. Step 5: Solve for x
    x = 858,348,833.13/30,497.04
  6. Step 6: Final answer
    x = 28,145.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.