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Finding the Fourth Proportional to 8,395.59, 11,585.20 and 4,859.02

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Solution

The fourth proportional to 8,395.59, 11,585.20 and 4,859.02 is: 6,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.59 : 11,585.20 = 4,859.02 : x
  2. Step 2: Convert to fraction form
    8,395.59/11,585.20 = 4,859.02/x
  3. Step 3: Cross multiply
    8,395.59x = 11,585.20 × 4,859.02
  4. Step 4: Simplify right side
    8,395.59x = 56,292,718.50
  5. Step 5: Solve for x
    x = 56,292,718.50/8,395.59
  6. Step 6: Final answer
    x = 6,705.03

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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.