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Finding the Fourth Proportional to 62,239.66, 85,898 and 35,386.20

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Solution

The fourth proportional to 62,239.66, 85,898 and 35,386.20 is: 48,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,239.66 : 85,898 = 35,386.20 : x
  2. Step 2: Convert to fraction form
    62,239.66/85,898 = 35,386.20/x
  3. Step 3: Cross multiply
    62,239.66x = 85,898 × 35,386.20
  4. Step 4: Simplify right side
    62,239.66x = 3,039,603,807.60
  5. Step 5: Solve for x
    x = 3,039,603,807.60/62,239.66
  6. Step 6: Final answer
    x = 48,837.09

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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.