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Finding the Fourth Proportional to 1,760.04, 2,640.24 and 893.16

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Solution

The fourth proportional to 1,760.04, 2,640.24 and 893.16 is: 1,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.04 : 2,640.24 = 893.16 : x
  2. Step 2: Convert to fraction form
    1,760.04/2,640.24 = 893.16/x
  3. Step 3: Cross multiply
    1,760.04x = 2,640.24 × 893.16
  4. Step 4: Simplify right side
    1,760.04x = 2,358,156.76
  5. Step 5: Solve for x
    x = 2,358,156.76/1,760.04
  6. Step 6: Final answer
    x = 1,339.83

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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.