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Finding the Fourth Proportional to 64,147.99, 88,522.70 and 35,856.31

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Solution

The fourth proportional to 64,147.99, 88,522.70 and 35,856.31 is: 49,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,147.99 : 88,522.70 = 35,856.31 : x
  2. Step 2: Convert to fraction form
    64,147.99/88,522.70 = 35,856.31/x
  3. Step 3: Cross multiply
    64,147.99x = 88,522.70 × 35,856.31
  4. Step 4: Simplify right side
    64,147.99x = 3,174,097,373.24
  5. Step 5: Solve for x
    x = 3,174,097,373.24/64,147.99
  6. Step 6: Final answer
    x = 49,480.85

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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.