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Finding the Fourth Proportional to 47,062.91, 64,947.03 and 26,920.01

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Solution

The fourth proportional to 47,062.91, 64,947.03 and 26,920.01 is: 37,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,062.91 : 64,947.03 = 26,920.01 : x
  2. Step 2: Convert to fraction form
    47,062.91/64,947.03 = 26,920.01/x
  3. Step 3: Cross multiply
    47,062.91x = 64,947.03 × 26,920.01
  4. Step 4: Simplify right side
    47,062.91x = 1,748,374,697.07
  5. Step 5: Solve for x
    x = 1,748,374,697.07/47,062.91
  6. Step 6: Final answer
    x = 37,149.74

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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.