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Finding the Fourth Proportional to 62,209.51, 93,314.26 and 20,656.51

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Solution

The fourth proportional to 62,209.51, 93,314.26 and 20,656.51 is: 30,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,209.51 : 93,314.26 = 20,656.51 : x
  2. Step 2: Convert to fraction form
    62,209.51/93,314.26 = 20,656.51/x
  3. Step 3: Cross multiply
    62,209.51x = 93,314.26 × 20,656.51
  4. Step 4: Simplify right side
    62,209.51x = 1,927,546,944.83
  5. Step 5: Solve for x
    x = 1,927,546,944.83/62,209.51
  6. Step 6: Final answer
    x = 30,984.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.