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Finding the Fourth Proportional to 66,194.76, 91,349.16 and 35,980.32

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Solution

The fourth proportional to 66,194.76, 91,349.16 and 35,980.32 is: 49,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194.76 : 91,349.16 = 35,980.32 : x
  2. Step 2: Convert to fraction form
    66,194.76/91,349.16 = 35,980.32/x
  3. Step 3: Cross multiply
    66,194.76x = 91,349.16 × 35,980.32
  4. Step 4: Simplify right side
    66,194.76x = 3,286,772,008.53
  5. Step 5: Solve for x
    x = 3,286,772,008.53/66,194.76
  6. Step 6: Final answer
    x = 49,653.05

Related Problems

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Half scale
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Double scale
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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.