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Finding the Fourth Proportional to 35,903.74, 49,539.65 and 20,795.50

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Solution

The fourth proportional to 35,903.74, 49,539.65 and 20,795.50 is: 28,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.74 : 49,539.65 = 20,795.50 : x
  2. Step 2: Convert to fraction form
    35,903.74/49,539.65 = 20,795.50/x
  3. Step 3: Cross multiply
    35,903.74x = 49,539.65 × 20,795.50
  4. Step 4: Simplify right side
    35,903.74x = 1,030,201,641.73
  5. Step 5: Solve for x
    x = 1,030,201,641.73/35,903.74
  6. Step 6: Final answer
    x = 28,693.43

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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.