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Finding the Fourth Proportional to 8,461.66, 12,682.77 and 4,295.02

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Solution

The fourth proportional to 8,461.66, 12,682.77 and 4,295.02 is: 6,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.66 : 12,682.77 = 4,295.02 : x
  2. Step 2: Convert to fraction form
    8,461.66/12,682.77 = 4,295.02/x
  3. Step 3: Cross multiply
    8,461.66x = 12,682.77 × 4,295.02
  4. Step 4: Simplify right side
    8,461.66x = 54,472,750.81
  5. Step 5: Solve for x
    x = 54,472,750.81/8,461.66
  6. Step 6: Final answer
    x = 6,437.60

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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.