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Finding the Fourth Proportional to 62,633.61, 86,434.20 and 34,339.32

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Solution

The fourth proportional to 62,633.61, 86,434.20 and 34,339.32 is: 47,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,633.61 : 86,434.20 = 34,339.32 : x
  2. Step 2: Convert to fraction form
    62,633.61/86,434.20 = 34,339.32/x
  3. Step 3: Cross multiply
    62,633.61x = 86,434.20 × 34,339.32
  4. Step 4: Simplify right side
    62,633.61x = 2,968,091,652.74
  5. Step 5: Solve for x
    x = 2,968,091,652.74/62,633.61
  6. Step 6: Final answer
    x = 47,388.16

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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.