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Finding the Fourth Proportional to 66,154.58, 91,293.96 and 35,940.14

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Solution

The fourth proportional to 66,154.58, 91,293.96 and 35,940.14 is: 49,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,154.58 : 91,293.96 = 35,940.14 : x
  2. Step 2: Convert to fraction form
    66,154.58/91,293.96 = 35,940.14/x
  3. Step 3: Cross multiply
    66,154.58x = 91,293.96 × 35,940.14
  4. Step 4: Simplify right side
    66,154.58x = 3,281,117,703.55
  5. Step 5: Solve for x
    x = 3,281,117,703.55/66,154.58
  6. Step 6: Final answer
    x = 49,597.74

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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.