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Finding the Fourth Proportional to 8,483.74, 11,710.07 and 5,499.77

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Solution

The fourth proportional to 8,483.74, 11,710.07 and 5,499.77 is: 7,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.74 : 11,710.07 = 5,499.77 : x
  2. Step 2: Convert to fraction form
    8,483.74/11,710.07 = 5,499.77/x
  3. Step 3: Cross multiply
    8,483.74x = 11,710.07 × 5,499.77
  4. Step 4: Simplify right side
    8,483.74x = 64,402,626.26
  5. Step 5: Solve for x
    x = 64,402,626.26/8,483.74
  6. Step 6: Final answer
    x = 7,591.30

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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.