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Finding the Fourth Proportional to 10,353.94, 15,513.90 and 5,975.08

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Solution

The fourth proportional to 10,353.94, 15,513.90 and 5,975.08 is: 8,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.94 : 15,513.90 = 5,975.08 : x
  2. Step 2: Convert to fraction form
    10,353.94/15,513.90 = 5,975.08/x
  3. Step 3: Cross multiply
    10,353.94x = 15,513.90 × 5,975.08
  4. Step 4: Simplify right side
    10,353.94x = 92,696,793.61
  5. Step 5: Solve for x
    x = 92,696,793.61/10,353.94
  6. Step 6: Final answer
    x = 8,952.80

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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.