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Finding the Fourth Proportional to 76,456.35, 105,510.47 and 44,619.10

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Solution

The fourth proportional to 76,456.35, 105,510.47 and 44,619.10 is: 61,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,456.35 : 105,510.47 = 44,619.10 : x
  2. Step 2: Convert to fraction form
    76,456.35/105,510.47 = 44,619.10/x
  3. Step 3: Cross multiply
    76,456.35x = 105,510.47 × 44,619.10
  4. Step 4: Simplify right side
    76,456.35x = 4,707,781,725.11
  5. Step 5: Solve for x
    x = 4,707,781,725.11/76,456.35
  6. Step 6: Final answer
    x = 61,574.76

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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.