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Finding the Fourth Proportional to 7,280.01, 10,046.70 and 4,295.70

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Solution

The fourth proportional to 7,280.01, 10,046.70 and 4,295.70 is: 5,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.01 : 10,046.70 = 4,295.70 : x
  2. Step 2: Convert to fraction form
    7,280.01/10,046.70 = 4,295.70/x
  3. Step 3: Cross multiply
    7,280.01x = 10,046.70 × 4,295.70
  4. Step 4: Simplify right side
    7,280.01x = 43,157,609.19
  5. Step 5: Solve for x
    x = 43,157,609.19/7,280.01
  6. Step 6: Final answer
    x = 5,928.23

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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.