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Finding the Fourth Proportional to 47,620.32, 65,717.64 and 26,398.32

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Solution

The fourth proportional to 47,620.32, 65,717.64 and 26,398.32 is: 36,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,620.32 : 65,717.64 = 26,398.32 : x
  2. Step 2: Convert to fraction form
    47,620.32/65,717.64 = 26,398.32/x
  3. Step 3: Cross multiply
    47,620.32x = 65,717.64 × 26,398.32
  4. Step 4: Simplify right side
    47,620.32x = 1,734,835,290.36
  5. Step 5: Solve for x
    x = 1,734,835,290.36/47,620.32
  6. Step 6: Final answer
    x = 36,430.57

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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.