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Finding the Fourth Proportional to 66,622.57, 91,943.51 and 37,558.10

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Solution

The fourth proportional to 66,622.57, 91,943.51 and 37,558.10 is: 51,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,622.57 : 91,943.51 = 37,558.10 : x
  2. Step 2: Convert to fraction form
    66,622.57/91,943.51 = 37,558.10/x
  3. Step 3: Cross multiply
    66,622.57x = 91,943.51 × 37,558.10
  4. Step 4: Simplify right side
    66,622.57x = 3,453,223,585.00
  5. Step 5: Solve for x
    x = 3,453,223,585.00/66,622.57
  6. Step 6: Final answer
    x = 51,832.64

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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.