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Finding the Fourth Proportional to 7,355.20, 11,038.20 and 4,585.92

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Solution

The fourth proportional to 7,355.20, 11,038.20 and 4,585.92 is: 6,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.20 : 11,038.20 = 4,585.92 : x
  2. Step 2: Convert to fraction form
    7,355.20/11,038.20 = 4,585.92/x
  3. Step 3: Cross multiply
    7,355.20x = 11,038.20 × 4,585.92
  4. Step 4: Simplify right side
    7,355.20x = 50,620,302.14
  5. Step 5: Solve for x
    x = 50,620,302.14/7,355.20
  6. Step 6: Final answer
    x = 6,882.25

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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.