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Finding the Fourth Proportional to 7,574.27, 10,453.53 and 4,787.87

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Solution

The fourth proportional to 7,574.27, 10,453.53 and 4,787.87 is: 6,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.27 : 10,453.53 = 4,787.87 : x
  2. Step 2: Convert to fraction form
    7,574.27/10,453.53 = 4,787.87/x
  3. Step 3: Cross multiply
    7,574.27x = 10,453.53 × 4,787.87
  4. Step 4: Simplify right side
    7,574.27x = 50,050,090.41
  5. Step 5: Solve for x
    x = 50,050,090.41/7,574.27
  6. Step 6: Final answer
    x = 6,607.91

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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.