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Finding the Fourth Proportional to 66,155.70, 91,295.51 and 35,941.26

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Solution

The fourth proportional to 66,155.70, 91,295.51 and 35,941.26 is: 49,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.70 : 91,295.51 = 35,941.26 : x
  2. Step 2: Convert to fraction form
    66,155.70/91,295.51 = 35,941.26/x
  3. Step 3: Cross multiply
    66,155.70x = 91,295.51 × 35,941.26
  4. Step 4: Simplify right side
    66,155.70x = 3,281,275,661.74
  5. Step 5: Solve for x
    x = 3,281,275,661.74/66,155.70
  6. Step 6: Final answer
    x = 49,599.29

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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.