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Finding the Fourth Proportional to 66,003.90, 91,160.44 and 44,746.26

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Solution

The fourth proportional to 66,003.90, 91,160.44 and 44,746.26 is: 61,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,003.90 : 91,160.44 = 44,746.26 : x
  2. Step 2: Convert to fraction form
    66,003.90/91,160.44 = 44,746.26/x
  3. Step 3: Cross multiply
    66,003.90x = 91,160.44 × 44,746.26
  4. Step 4: Simplify right side
    66,003.90x = 4,079,088,296.24
  5. Step 5: Solve for x
    x = 4,079,088,296.24/66,003.90
  6. Step 6: Final answer
    x = 61,800.72

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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.