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Finding the Fourth Proportional to 7,509.70, 11,237.55 and 5,565.70

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Solution

The fourth proportional to 7,509.70, 11,237.55 and 5,565.70 is: 8,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.70 : 11,237.55 = 5,565.70 : x
  2. Step 2: Convert to fraction form
    7,509.70/11,237.55 = 5,565.70/x
  3. Step 3: Cross multiply
    7,509.70x = 11,237.55 × 5,565.70
  4. Step 4: Simplify right side
    7,509.70x = 62,544,832.04
  5. Step 5: Solve for x
    x = 62,544,832.04/7,509.70
  6. Step 6: Final answer
    x = 8,328.54

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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.