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Finding the Fourth Proportional to 1,522.84, 2,102.04 and 893.58

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Solution

The fourth proportional to 1,522.84, 2,102.04 and 893.58 is: 1,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.84 : 2,102.04 = 893.58 : x
  2. Step 2: Convert to fraction form
    1,522.84/2,102.04 = 893.58/x
  3. Step 3: Cross multiply
    1,522.84x = 2,102.04 × 893.58
  4. Step 4: Simplify right side
    1,522.84x = 1,878,340.90
  5. Step 5: Solve for x
    x = 1,878,340.90/1,522.84
  6. Step 6: Final answer
    x = 1,233.45

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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.