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Finding the Fourth Proportional to 66,549.02, 91,838.07 and 36,741.02

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Solution

The fourth proportional to 66,549.02, 91,838.07 and 36,741.02 is: 50,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,549.02 : 91,838.07 = 36,741.02 : x
  2. Step 2: Convert to fraction form
    66,549.02/91,838.07 = 36,741.02/x
  3. Step 3: Cross multiply
    66,549.02x = 91,838.07 × 36,741.02
  4. Step 4: Simplify right side
    66,549.02x = 3,374,224,366.63
  5. Step 5: Solve for x
    x = 3,374,224,366.63/66,549.02
  6. Step 6: Final answer
    x = 50,702.84

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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.