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Finding the Fourth Proportional to 73,048.44, 100,823.12 and 47,510.40

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Solution

The fourth proportional to 73,048.44, 100,823.12 and 47,510.40 is: 65,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,048.44 : 100,823.12 = 47,510.40 : x
  2. Step 2: Convert to fraction form
    73,048.44/100,823.12 = 47,510.40/x
  3. Step 3: Cross multiply
    73,048.44x = 100,823.12 × 47,510.40
  4. Step 4: Simplify right side
    73,048.44x = 4,790,146,760.45
  5. Step 5: Solve for x
    x = 4,790,146,760.45/73,048.44
  6. Step 6: Final answer
    x = 65,574.94

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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.