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Finding the Fourth Proportional to 47,147.08, 64,721.60 and 46,703.92

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Solution

The fourth proportional to 47,147.08, 64,721.60 and 46,703.92 is: 64,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.08 : 64,721.60 = 46,703.92 : x
  2. Step 2: Convert to fraction form
    47,147.08/64,721.60 = 46,703.92/x
  3. Step 3: Cross multiply
    47,147.08x = 64,721.60 × 46,703.92
  4. Step 4: Simplify right side
    47,147.08x = 3,022,752,428.67
  5. Step 5: Solve for x
    x = 3,022,752,428.67/47,147.08
  6. Step 6: Final answer
    x = 64,113.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.