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Finding the Fourth Proportional to 29,607.55, 40,858.89 and 17,677.87

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Solution

The fourth proportional to 29,607.55, 40,858.89 and 17,677.87 is: 24,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,607.55 : 40,858.89 = 17,677.87 : x
  2. Step 2: Convert to fraction form
    29,607.55/40,858.89 = 17,677.87/x
  3. Step 3: Cross multiply
    29,607.55x = 40,858.89 × 17,677.87
  4. Step 4: Simplify right side
    29,607.55x = 722,298,145.76
  5. Step 5: Solve for x
    x = 722,298,145.76/29,607.55
  6. Step 6: Final answer
    x = 24,395.74

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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.