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Finding the Fourth Proportional to 48,462.86, 66,859.80 and 35,746.28

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Solution

The fourth proportional to 48,462.86, 66,859.80 and 35,746.28 is: 49,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,462.86 : 66,859.80 = 35,746.28 : x
  2. Step 2: Convert to fraction form
    48,462.86/66,859.80 = 35,746.28/x
  3. Step 3: Cross multiply
    48,462.86x = 66,859.80 × 35,746.28
  4. Step 4: Simplify right side
    48,462.86x = 2,389,989,131.54
  5. Step 5: Solve for x
    x = 2,389,989,131.54/48,462.86
  6. Step 6: Final answer
    x = 49,315.89

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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.