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Finding the Fourth Proportional to 28,392.93, 42,592.02 and 9,666.67

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Solution

The fourth proportional to 28,392.93, 42,592.02 and 9,666.67 is: 14,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.93 : 42,592.02 = 9,666.67 : x
  2. Step 2: Convert to fraction form
    28,392.93/42,592.02 = 9,666.67/x
  3. Step 3: Cross multiply
    28,392.93x = 42,592.02 × 9,666.67
  4. Step 4: Simplify right side
    28,392.93x = 411,723,001.97
  5. Step 5: Solve for x
    x = 411,723,001.97/28,392.93
  6. Step 6: Final answer
    x = 14,500.90

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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.