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Finding the Fourth Proportional to 4,718.55, 7,101.52 and 3,554.58

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Solution

The fourth proportional to 4,718.55, 7,101.52 and 3,554.58 is: 5,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.55 : 7,101.52 = 3,554.58 : x
  2. Step 2: Convert to fraction form
    4,718.55/7,101.52 = 3,554.58/x
  3. Step 3: Cross multiply
    4,718.55x = 7,101.52 × 3,554.58
  4. Step 4: Simplify right side
    4,718.55x = 25,242,920.96
  5. Step 5: Solve for x
    x = 25,242,920.96/4,718.55
  6. Step 6: Final answer
    x = 5,349.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.