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Finding the Fourth Proportional to 7,281.92, 10,925.94 and 2,900.04

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Solution

The fourth proportional to 7,281.92, 10,925.94 and 2,900.04 is: 4,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.92 : 10,925.94 = 2,900.04 : x
  2. Step 2: Convert to fraction form
    7,281.92/10,925.94 = 2,900.04/x
  3. Step 3: Cross multiply
    7,281.92x = 10,925.94 × 2,900.04
  4. Step 4: Simplify right side
    7,281.92x = 31,685,663.04
  5. Step 5: Solve for x
    x = 31,685,663.04/7,281.92
  6. Step 6: Final answer
    x = 4,351.28

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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.