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Finding the Fourth Proportional to 7,258.93, 10,017.43 and 4,072.93

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Solution

The fourth proportional to 7,258.93, 10,017.43 and 4,072.93 is: 5,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.93 : 10,017.43 = 4,072.93 : x
  2. Step 2: Convert to fraction form
    7,258.93/10,017.43 = 4,072.93/x
  3. Step 3: Cross multiply
    7,258.93x = 10,017.43 × 4,072.93
  4. Step 4: Simplify right side
    7,258.93x = 40,800,255.94
  5. Step 5: Solve for x
    x = 40,800,255.94/7,258.93
  6. Step 6: Final answer
    x = 5,620.70

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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.