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Finding the Fourth Proportional to 66,552.40, 91,746.90 and 41,041.63

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Solution

The fourth proportional to 66,552.40, 91,746.90 and 41,041.63 is: 56,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.40 : 91,746.90 = 41,041.63 : x
  2. Step 2: Convert to fraction form
    66,552.40/91,746.90 = 41,041.63/x
  3. Step 3: Cross multiply
    66,552.40x = 91,746.90 × 41,041.63
  4. Step 4: Simplify right side
    66,552.40x = 3,765,442,323.45
  5. Step 5: Solve for x
    x = 3,765,442,323.45/66,552.40
  6. Step 6: Final answer
    x = 56,578.61

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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.