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Finding the Fourth Proportional to 14,047.65, 21,044.75 and 7,476.93

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Solution

The fourth proportional to 14,047.65, 21,044.75 and 7,476.93 is: 11,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.65 : 21,044.75 = 7,476.93 : x
  2. Step 2: Convert to fraction form
    14,047.65/21,044.75 = 7,476.93/x
  3. Step 3: Cross multiply
    14,047.65x = 21,044.75 × 7,476.93
  4. Step 4: Simplify right side
    14,047.65x = 157,350,085.23
  5. Step 5: Solve for x
    x = 157,350,085.23/14,047.65
  6. Step 6: Final answer
    x = 11,201.17

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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.