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Finding the Fourth Proportional to 7,285.59, 10,928.13 and 2,355.10

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Solution

The fourth proportional to 7,285.59, 10,928.13 and 2,355.10 is: 3,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.59 : 10,928.13 = 2,355.10 : x
  2. Step 2: Convert to fraction form
    7,285.59/10,928.13 = 2,355.10/x
  3. Step 3: Cross multiply
    7,285.59x = 10,928.13 × 2,355.10
  4. Step 4: Simplify right side
    7,285.59x = 25,736,846.74
  5. Step 5: Solve for x
    x = 25,736,846.74/7,285.59
  6. Step 6: Final answer
    x = 3,532.57

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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.