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Finding the Fourth Proportional to 39,001.48, 53,822.04 and 21,096.48

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Solution

The fourth proportional to 39,001.48, 53,822.04 and 21,096.48 is: 29,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.48 : 53,822.04 = 21,096.48 : x
  2. Step 2: Convert to fraction form
    39,001.48/53,822.04 = 21,096.48/x
  3. Step 3: Cross multiply
    39,001.48x = 53,822.04 × 21,096.48
  4. Step 4: Simplify right side
    39,001.48x = 1,135,455,590.42
  5. Step 5: Solve for x
    x = 1,135,455,590.42/39,001.48
  6. Step 6: Final answer
    x = 29,113.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.