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Finding the Fourth Proportional to 2,900.16, 4,002.24 and 1,658.24

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Solution

The fourth proportional to 2,900.16, 4,002.24 and 1,658.24 is: 2,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.16 : 4,002.24 = 1,658.24 : x
  2. Step 2: Convert to fraction form
    2,900.16/4,002.24 = 1,658.24/x
  3. Step 3: Cross multiply
    2,900.16x = 4,002.24 × 1,658.24
  4. Step 4: Simplify right side
    2,900.16x = 6,636,674.46
  5. Step 5: Solve for x
    x = 6,636,674.46/2,900.16
  6. Step 6: Final answer
    x = 2,288.38

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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.