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Finding the Fourth Proportional to 62,308.99, 85,974.90 and 35,449.93

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Solution

The fourth proportional to 62,308.99, 85,974.90 and 35,449.93 is: 48,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,308.99 : 85,974.90 = 35,449.93 : x
  2. Step 2: Convert to fraction form
    62,308.99/85,974.90 = 35,449.93/x
  3. Step 3: Cross multiply
    62,308.99x = 85,974.90 × 35,449.93
  4. Step 4: Simplify right side
    62,308.99x = 3,047,804,186.76
  5. Step 5: Solve for x
    x = 3,047,804,186.76/62,308.99
  6. Step 6: Final answer
    x = 48,914.36

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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.