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Finding the Fourth Proportional to 64,059.70, 88,400.55 and 35,764.78

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Solution

The fourth proportional to 64,059.70, 88,400.55 and 35,764.78 is: 49,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,059.70 : 88,400.55 = 35,764.78 : x
  2. Step 2: Convert to fraction form
    64,059.70/88,400.55 = 35,764.78/x
  3. Step 3: Cross multiply
    64,059.70x = 88,400.55 × 35,764.78
  4. Step 4: Simplify right side
    64,059.70x = 3,161,626,222.63
  5. Step 5: Solve for x
    x = 3,161,626,222.63/64,059.70
  6. Step 6: Final answer
    x = 49,354.37

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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.