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Finding the Fourth Proportional to 30,634.61, 45,926.80 and 10,901.93

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Solution

The fourth proportional to 30,634.61, 45,926.80 and 10,901.93 is: 16,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.61 : 45,926.80 = 10,901.93 : x
  2. Step 2: Convert to fraction form
    30,634.61/45,926.80 = 10,901.93/x
  3. Step 3: Cross multiply
    30,634.61x = 45,926.80 × 10,901.93
  4. Step 4: Simplify right side
    30,634.61x = 500,690,501.84
  5. Step 5: Solve for x
    x = 500,690,501.84/30,634.61
  6. Step 6: Final answer
    x = 16,343.95

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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.