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Finding the Fourth Proportional to 32,560.79, 44,927.76 and 20,628.07

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Solution

The fourth proportional to 32,560.79, 44,927.76 and 20,628.07 is: 28,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,560.79 : 44,927.76 = 20,628.07 : x
  2. Step 2: Convert to fraction form
    32,560.79/44,927.76 = 20,628.07/x
  3. Step 3: Cross multiply
    32,560.79x = 44,927.76 × 20,628.07
  4. Step 4: Simplify right side
    32,560.79x = 926,772,943.26
  5. Step 5: Solve for x
    x = 926,772,943.26/32,560.79
  6. Step 6: Final answer
    x = 28,462.86

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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.