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Finding the Fourth Proportional to 66,941.32, 92,375.04 and 38,264.08

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Solution

The fourth proportional to 66,941.32, 92,375.04 and 38,264.08 is: 52,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,941.32 : 92,375.04 = 38,264.08 : x
  2. Step 2: Convert to fraction form
    66,941.32/92,375.04 = 38,264.08/x
  3. Step 3: Cross multiply
    66,941.32x = 92,375.04 × 38,264.08
  4. Step 4: Simplify right side
    66,941.32x = 3,534,645,920.56
  5. Step 5: Solve for x
    x = 3,534,645,920.56/66,941.32
  6. Step 6: Final answer
    x = 52,802.15

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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.