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Finding the Fourth Proportional to 8,417.01, 12,611.52 and 4,462.68

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Solution

The fourth proportional to 8,417.01, 12,611.52 and 4,462.68 is: 6,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.01 : 12,611.52 = 4,462.68 : x
  2. Step 2: Convert to fraction form
    8,417.01/12,611.52 = 4,462.68/x
  3. Step 3: Cross multiply
    8,417.01x = 12,611.52 × 4,462.68
  4. Step 4: Simplify right side
    8,417.01x = 56,281,178.07
  5. Step 5: Solve for x
    x = 56,281,178.07/8,417.01
  6. Step 6: Final answer
    x = 6,686.60

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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.