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Finding the Fourth Proportional to 17,802.79, 26,588.05 and 15,141.94

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Solution

The fourth proportional to 17,802.79, 26,588.05 and 15,141.94 is: 22,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.79 : 26,588.05 = 15,141.94 : x
  2. Step 2: Convert to fraction form
    17,802.79/26,588.05 = 15,141.94/x
  3. Step 3: Cross multiply
    17,802.79x = 26,588.05 × 15,141.94
  4. Step 4: Simplify right side
    17,802.79x = 402,594,553.49
  5. Step 5: Solve for x
    x = 402,594,553.49/17,802.79
  6. Step 6: Final answer
    x = 22,614.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.