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Finding the Fourth Proportional to 59,881.96, 82,646.90 and 36,021.80

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Solution

The fourth proportional to 59,881.96, 82,646.90 and 36,021.80 is: 49,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,881.96 : 82,646.90 = 36,021.80 : x
  2. Step 2: Convert to fraction form
    59,881.96/82,646.90 = 36,021.80/x
  3. Step 3: Cross multiply
    59,881.96x = 82,646.90 × 36,021.80
  4. Step 4: Simplify right side
    59,881.96x = 2,977,090,102.42
  5. Step 5: Solve for x
    x = 2,977,090,102.42/59,881.96
  6. Step 6: Final answer
    x = 49,715.98

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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.