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Finding the Fourth Proportional to 77,363, 115,998.60 and 32,966.92

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Solution

The fourth proportional to 77,363, 115,998.60 and 32,966.92 is: 49,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,363 : 115,998.60 = 32,966.92 : x
  2. Step 2: Convert to fraction form
    77,363/115,998.60 = 32,966.92/x
  3. Step 3: Cross multiply
    77,363x = 115,998.60 × 32,966.92
  4. Step 4: Simplify right side
    77,363x = 3,824,116,566.31
  5. Step 5: Solve for x
    x = 3,824,116,566.31/77,363
  6. Step 6: Final answer
    x = 49,430.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.