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Finding the Fourth Proportional to 4,725.93, 7,088.90 and 4,719.10

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Solution

The fourth proportional to 4,725.93, 7,088.90 and 4,719.10 is: 7,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.93 : 7,088.90 = 4,719.10 : x
  2. Step 2: Convert to fraction form
    4,725.93/7,088.90 = 4,719.10/x
  3. Step 3: Cross multiply
    4,725.93x = 7,088.90 × 4,719.10
  4. Step 4: Simplify right side
    4,725.93x = 33,453,198.47
  5. Step 5: Solve for x
    x = 33,453,198.47/4,725.93
  6. Step 6: Final answer
    x = 7,078.65

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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.