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Finding the Fourth Proportional to 67,682.88, 93,304.53 and 47,477.07

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Solution

The fourth proportional to 67,682.88, 93,304.53 and 47,477.07 is: 65,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,682.88 : 93,304.53 = 47,477.07 : x
  2. Step 2: Convert to fraction form
    67,682.88/93,304.53 = 47,477.07/x
  3. Step 3: Cross multiply
    67,682.88x = 93,304.53 × 47,477.07
  4. Step 4: Simplify right side
    67,682.88x = 4,429,825,702.13
  5. Step 5: Solve for x
    x = 4,429,825,702.13/67,682.88
  6. Step 6: Final answer
    x = 65,449.72

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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.