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Finding the Fourth Proportional to 14,670.70, 22,006.05 and 5,440.30

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Solution

The fourth proportional to 14,670.70, 22,006.05 and 5,440.30 is: 8,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.70 : 22,006.05 = 5,440.30 : x
  2. Step 2: Convert to fraction form
    14,670.70/22,006.05 = 5,440.30/x
  3. Step 3: Cross multiply
    14,670.70x = 22,006.05 × 5,440.30
  4. Step 4: Simplify right side
    14,670.70x = 119,719,513.82
  5. Step 5: Solve for x
    x = 119,719,513.82/14,670.70
  6. Step 6: Final answer
    x = 8,160.45

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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.