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Finding the Fourth Proportional to 30,653.92, 45,987.36 and 9,593.40

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Solution

The fourth proportional to 30,653.92, 45,987.36 and 9,593.40 is: 14,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.92 : 45,987.36 = 9,593.40 : x
  2. Step 2: Convert to fraction form
    30,653.92/45,987.36 = 9,593.40/x
  3. Step 3: Cross multiply
    30,653.92x = 45,987.36 × 9,593.40
  4. Step 4: Simplify right side
    30,653.92x = 441,175,139.42
  5. Step 5: Solve for x
    x = 441,175,139.42/30,653.92
  6. Step 6: Final answer
    x = 14,392.13

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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.