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Finding the Fourth Proportional to 8,159.53, 11,259.93 and 4,623.07

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Solution

The fourth proportional to 8,159.53, 11,259.93 and 4,623.07 is: 6,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.53 : 11,259.93 = 4,623.07 : x
  2. Step 2: Convert to fraction form
    8,159.53/11,259.93 = 4,623.07/x
  3. Step 3: Cross multiply
    8,159.53x = 11,259.93 × 4,623.07
  4. Step 4: Simplify right side
    8,159.53x = 52,055,444.59
  5. Step 5: Solve for x
    x = 52,055,444.59/8,159.53
  6. Step 6: Final answer
    x = 6,379.71

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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.