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Finding the Fourth Proportional to 35,440, 53,160 and 14,664.04

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Solution

The fourth proportional to 35,440, 53,160 and 14,664.04 is: 21,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440 : 53,160 = 14,664.04 : x
  2. Step 2: Convert to fraction form
    35,440/53,160 = 14,664.04/x
  3. Step 3: Cross multiply
    35,440x = 53,160 × 14,664.04
  4. Step 4: Simplify right side
    35,440x = 779,540,366.40
  5. Step 5: Solve for x
    x = 779,540,366.40/35,440
  6. Step 6: Final answer
    x = 21,996.06

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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.