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Finding the Fourth Proportional to 35,957.57, 53,876.75 and 21,875.01

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Solution

The fourth proportional to 35,957.57, 53,876.75 and 21,875.01 is: 32,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,957.57 : 53,876.75 = 21,875.01 : x
  2. Step 2: Convert to fraction form
    35,957.57/53,876.75 = 21,875.01/x
  3. Step 3: Cross multiply
    35,957.57x = 53,876.75 × 21,875.01
  4. Step 4: Simplify right side
    35,957.57x = 1,178,554,335.64
  5. Step 5: Solve for x
    x = 1,178,554,335.64/35,957.57
  6. Step 6: Final answer
    x = 32,776.26

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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.