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Finding the Fourth Proportional to 64,030.50, 88,366.34 and 35,736.80

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Solution

The fourth proportional to 64,030.50, 88,366.34 and 35,736.80 is: 49,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,030.50 : 88,366.34 = 35,736.80 : x
  2. Step 2: Convert to fraction form
    64,030.50/88,366.34 = 35,736.80/x
  3. Step 3: Cross multiply
    64,030.50x = 88,366.34 × 35,736.80
  4. Step 4: Simplify right side
    64,030.50x = 3,157,929,866.82
  5. Step 5: Solve for x
    x = 3,157,929,866.82/64,030.50
  6. Step 6: Final answer
    x = 49,319.15

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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.