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Finding the Fourth Proportional to 64,576.76, 89,114.19 and 35,895.70

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Solution

The fourth proportional to 64,576.76, 89,114.19 and 35,895.70 is: 49,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,576.76 : 89,114.19 = 35,895.70 : x
  2. Step 2: Convert to fraction form
    64,576.76/89,114.19 = 35,895.70/x
  3. Step 3: Cross multiply
    64,576.76x = 89,114.19 × 35,895.70
  4. Step 4: Simplify right side
    64,576.76x = 3,198,816,206.77
  5. Step 5: Solve for x
    x = 3,198,816,206.77/64,576.76
  6. Step 6: Final answer
    x = 49,535.10

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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.