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Finding the Fourth Proportional to 30,367.92, 45,558.48 and 9,308.04

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Solution

The fourth proportional to 30,367.92, 45,558.48 and 9,308.04 is: 13,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.92 : 45,558.48 = 9,308.04 : x
  2. Step 2: Convert to fraction form
    30,367.92/45,558.48 = 9,308.04/x
  3. Step 3: Cross multiply
    30,367.92x = 45,558.48 × 9,308.04
  4. Step 4: Simplify right side
    30,367.92x = 424,060,154.18
  5. Step 5: Solve for x
    x = 424,060,154.18/30,367.92
  6. Step 6: Final answer
    x = 13,964.08

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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.