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Finding the Fourth Proportional to 62,109.66, 85,708.47 and 33,815.26

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Solution

The fourth proportional to 62,109.66, 85,708.47 and 33,815.26 is: 46,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,109.66 : 85,708.47 = 33,815.26 : x
  2. Step 2: Convert to fraction form
    62,109.66/85,708.47 = 33,815.26/x
  3. Step 3: Cross multiply
    62,109.66x = 85,708.47 × 33,815.26
  4. Step 4: Simplify right side
    62,109.66x = 2,898,254,197.25
  5. Step 5: Solve for x
    x = 2,898,254,197.25/62,109.66
  6. Step 6: Final answer
    x = 46,663.50

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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.