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Finding the Fourth Proportional to 4,957.77, 7,422.04 and 4,342.67

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Solution

The fourth proportional to 4,957.77, 7,422.04 and 4,342.67 is: 6,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.77 : 7,422.04 = 4,342.67 : x
  2. Step 2: Convert to fraction form
    4,957.77/7,422.04 = 4,342.67/x
  3. Step 3: Cross multiply
    4,957.77x = 7,422.04 × 4,342.67
  4. Step 4: Simplify right side
    4,957.77x = 32,231,448.73
  5. Step 5: Solve for x
    x = 32,231,448.73/4,957.77
  6. Step 6: Final answer
    x = 6,501.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.