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Finding the Fourth Proportional to 77,025.84, 106,295.79 and 43,034.39

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Solution

The fourth proportional to 77,025.84, 106,295.79 and 43,034.39 is: 59,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,025.84 : 106,295.79 = 43,034.39 : x
  2. Step 2: Convert to fraction form
    77,025.84/106,295.79 = 43,034.39/x
  3. Step 3: Cross multiply
    77,025.84x = 106,295.79 × 43,034.39
  4. Step 4: Simplify right side
    77,025.84x = 4,574,374,510.73
  5. Step 5: Solve for x
    x = 4,574,374,510.73/77,025.84
  6. Step 6: Final answer
    x = 59,387.53

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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.