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Finding the Fourth Proportional to 35,693.53, 49,259.25 and 20,585.92

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Solution

The fourth proportional to 35,693.53, 49,259.25 and 20,585.92 is: 28,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.53 : 49,259.25 = 20,585.92 : x
  2. Step 2: Convert to fraction form
    35,693.53/49,259.25 = 20,585.92/x
  3. Step 3: Cross multiply
    35,693.53x = 49,259.25 × 20,585.92
  4. Step 4: Simplify right side
    35,693.53x = 1,014,046,979.76
  5. Step 5: Solve for x
    x = 1,014,046,979.76/35,693.53
  6. Step 6: Final answer
    x = 28,409.83

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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.