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Finding the Fourth Proportional to 30,393.42, 45,588.77 and 9,332.61

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Solution

The fourth proportional to 30,393.42, 45,588.77 and 9,332.61 is: 13,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.42 : 45,588.77 = 9,332.61 : x
  2. Step 2: Convert to fraction form
    30,393.42/45,588.77 = 9,332.61/x
  3. Step 3: Cross multiply
    30,393.42x = 45,588.77 × 9,332.61
  4. Step 4: Simplify right side
    30,393.42x = 425,462,164.13
  5. Step 5: Solve for x
    x = 425,462,164.13/30,393.42
  6. Step 6: Final answer
    x = 13,998.50

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Similar ratio
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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.