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Finding the Fourth Proportional to 76,574.31, 105,657.06 and 44,737.06

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Solution

The fourth proportional to 76,574.31, 105,657.06 and 44,737.06 is: 61,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,574.31 : 105,657.06 = 44,737.06 : x
  2. Step 2: Convert to fraction form
    76,574.31/105,657.06 = 44,737.06/x
  3. Step 3: Cross multiply
    76,574.31x = 105,657.06 × 44,737.06
  4. Step 4: Simplify right side
    76,574.31x = 4,726,785,704.36
  5. Step 5: Solve for x
    x = 4,726,785,704.36/76,574.31
  6. Step 6: Final answer
    x = 61,728.09

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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.