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Finding the Fourth Proportional to 7,248.63, 10,872.95 and 1,776.63

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Solution

The fourth proportional to 7,248.63, 10,872.95 and 1,776.63 is: 2,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.63 : 10,872.95 = 1,776.63 : x
  2. Step 2: Convert to fraction form
    7,248.63/10,872.95 = 1,776.63/x
  3. Step 3: Cross multiply
    7,248.63x = 10,872.95 × 1,776.63
  4. Step 4: Simplify right side
    7,248.63x = 19,317,209.16
  5. Step 5: Solve for x
    x = 19,317,209.16/7,248.63
  6. Step 6: Final answer
    x = 2,664.95

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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.