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Finding the Fourth Proportional to 68,585.19, 94,643.73 and 38,364.68

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Solution

The fourth proportional to 68,585.19, 94,643.73 and 38,364.68 is: 52,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.19 : 94,643.73 = 38,364.68 : x
  2. Step 2: Convert to fraction form
    68,585.19/94,643.73 = 38,364.68/x
  3. Step 3: Cross multiply
    68,585.19x = 94,643.73 × 38,364.68
  4. Step 4: Simplify right side
    68,585.19x = 3,630,975,942.24
  5. Step 5: Solve for x
    x = 3,630,975,942.24/68,585.19
  6. Step 6: Final answer
    x = 52,941.11

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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.