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Finding the Fourth Proportional to 47,392.92, 65,394.47 and 28,009.14

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Solution

The fourth proportional to 47,392.92, 65,394.47 and 28,009.14 is: 38,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.92 : 65,394.47 = 28,009.14 : x
  2. Step 2: Convert to fraction form
    47,392.92/65,394.47 = 28,009.14/x
  3. Step 3: Cross multiply
    47,392.92x = 65,394.47 × 28,009.14
  4. Step 4: Simplify right side
    47,392.92x = 1,831,642,865.46
  5. Step 5: Solve for x
    x = 1,831,642,865.46/47,392.92
  6. Step 6: Final answer
    x = 38,648.03

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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.