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Finding the Fourth Proportional to 64,792.19, 89,415.05 and 37,935.83

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Solution

The fourth proportional to 64,792.19, 89,415.05 and 37,935.83 is: 52,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,792.19 : 89,415.05 = 37,935.83 : x
  2. Step 2: Convert to fraction form
    64,792.19/89,415.05 = 37,935.83/x
  3. Step 3: Cross multiply
    64,792.19x = 89,415.05 × 37,935.83
  4. Step 4: Simplify right side
    64,792.19x = 3,392,034,136.24
  5. Step 5: Solve for x
    x = 3,392,034,136.24/64,792.19
  6. Step 6: Final answer
    x = 52,352.52

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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.