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Finding the Fourth Proportional to 64,627.13, 89,174.54 and 35,943.03

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Solution

The fourth proportional to 64,627.13, 89,174.54 and 35,943.03 is: 49,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,627.13 : 89,174.54 = 35,943.03 : x
  2. Step 2: Convert to fraction form
    64,627.13/89,174.54 = 35,943.03/x
  3. Step 3: Cross multiply
    64,627.13x = 89,174.54 × 35,943.03
  4. Step 4: Simplify right side
    64,627.13x = 3,205,203,256.31
  5. Step 5: Solve for x
    x = 3,205,203,256.31/64,627.13
  6. Step 6: Final answer
    x = 49,595.32

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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.