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Finding the Fourth Proportional to 9,666.90, 14,521.95 and 9,273.30

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Solution

The fourth proportional to 9,666.90, 14,521.95 and 9,273.30 is: 13,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.90 : 14,521.95 = 9,273.30 : x
  2. Step 2: Convert to fraction form
    9,666.90/14,521.95 = 9,273.30/x
  3. Step 3: Cross multiply
    9,666.90x = 14,521.95 × 9,273.30
  4. Step 4: Simplify right side
    9,666.90x = 134,666,398.94
  5. Step 5: Solve for x
    x = 134,666,398.94/9,666.90
  6. Step 6: Final answer
    x = 13,930.67

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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.