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Finding the Fourth Proportional to 14,476.62, 21,707.58 and 7,069.98

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Solution

The fourth proportional to 14,476.62, 21,707.58 and 7,069.98 is: 10,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476.62 : 21,707.58 = 7,069.98 : x
  2. Step 2: Convert to fraction form
    14,476.62/21,707.58 = 7,069.98/x
  3. Step 3: Cross multiply
    14,476.62x = 21,707.58 × 7,069.98
  4. Step 4: Simplify right side
    14,476.62x = 153,472,156.45
  5. Step 5: Solve for x
    x = 153,472,156.45/14,476.62
  6. Step 6: Final answer
    x = 10,601.38

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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.