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Finding the Fourth Proportional to 8,159.96, 12,240.21 and 5,004.74

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Solution

The fourth proportional to 8,159.96, 12,240.21 and 5,004.74 is: 7,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.96 : 12,240.21 = 5,004.74 : x
  2. Step 2: Convert to fraction form
    8,159.96/12,240.21 = 5,004.74/x
  3. Step 3: Cross multiply
    8,159.96x = 12,240.21 × 5,004.74
  4. Step 4: Simplify right side
    8,159.96x = 61,259,068.60
  5. Step 5: Solve for x
    x = 61,259,068.60/8,159.96
  6. Step 6: Final answer
    x = 7,507.28

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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.