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Finding the Fourth Proportional to 62,275.21, 85,939.62 and 33,980.87

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Solution

The fourth proportional to 62,275.21, 85,939.62 and 33,980.87 is: 46,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,275.21 : 85,939.62 = 33,980.87 : x
  2. Step 2: Convert to fraction form
    62,275.21/85,939.62 = 33,980.87/x
  3. Step 3: Cross multiply
    62,275.21x = 85,939.62 × 33,980.87
  4. Step 4: Simplify right side
    62,275.21x = 2,920,303,055.07
  5. Step 5: Solve for x
    x = 2,920,303,055.07/62,275.21
  6. Step 6: Final answer
    x = 46,893.51

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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.