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Finding the Fourth Proportional to 1,522.91, 2,100.93 and 893.48

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Solution

The fourth proportional to 1,522.91, 2,100.93 and 893.48 is: 1,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.91 : 2,100.93 = 893.48 : x
  2. Step 2: Convert to fraction form
    1,522.91/2,100.93 = 893.48/x
  3. Step 3: Cross multiply
    1,522.91x = 2,100.93 × 893.48
  4. Step 4: Simplify right side
    1,522.91x = 1,877,138.94
  5. Step 5: Solve for x
    x = 1,877,138.94/1,522.91
  6. Step 6: Final answer
    x = 1,232.60

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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.