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Finding the Fourth Proportional to 4,754.16, 6,554.52 and 4,719.60

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Solution

The fourth proportional to 4,754.16, 6,554.52 and 4,719.60 is: 6,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.16 : 6,554.52 = 4,719.60 : x
  2. Step 2: Convert to fraction form
    4,754.16/6,554.52 = 4,719.60/x
  3. Step 3: Cross multiply
    4,754.16x = 6,554.52 × 4,719.60
  4. Step 4: Simplify right side
    4,754.16x = 30,934,712.59
  5. Step 5: Solve for x
    x = 30,934,712.59/4,754.16
  6. Step 6: Final answer
    x = 6,506.87

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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.