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Finding the Fourth Proportional to 21,971.99, 32,957.93 and 5,332.01

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Solution

The fourth proportional to 21,971.99, 32,957.93 and 5,332.01 is: 7,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.99 : 32,957.93 = 5,332.01 : x
  2. Step 2: Convert to fraction form
    21,971.99/32,957.93 = 5,332.01/x
  3. Step 3: Cross multiply
    21,971.99x = 32,957.93 × 5,332.01
  4. Step 4: Simplify right side
    21,971.99x = 175,732,108.06
  5. Step 5: Solve for x
    x = 175,732,108.06/21,971.99
  6. Step 6: Final answer
    x = 7,998.01

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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.