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Finding the Fourth Proportional to 30,392.92, 45,588.02 and 9,332.11

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Solution

The fourth proportional to 30,392.92, 45,588.02 and 9,332.11 is: 13,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.92 : 45,588.02 = 9,332.11 : x
  2. Step 2: Convert to fraction form
    30,392.92/45,588.02 = 9,332.11/x
  3. Step 3: Cross multiply
    30,392.92x = 45,588.02 × 9,332.11
  4. Step 4: Simplify right side
    30,392.92x = 425,432,427.65
  5. Step 5: Solve for x
    x = 425,432,427.65/30,392.92
  6. Step 6: Final answer
    x = 13,997.75

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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.