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Finding the Fourth Proportional to 62,281.50, 85,950.30 and 33,989.01

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Solution

The fourth proportional to 62,281.50, 85,950.30 and 33,989.01 is: 46,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,281.50 : 85,950.30 = 33,989.01 : x
  2. Step 2: Convert to fraction form
    62,281.50/85,950.30 = 33,989.01/x
  3. Step 3: Cross multiply
    62,281.50x = 85,950.30 × 33,989.01
  4. Step 4: Simplify right side
    62,281.50x = 2,921,365,606.20
  5. Step 5: Solve for x
    x = 2,921,365,606.20/62,281.50
  6. Step 6: Final answer
    x = 46,905.83

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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.