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Finding the Fourth Proportional to 67,964.71, 93,758.75 and 47,832.76

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Solution

The fourth proportional to 67,964.71, 93,758.75 and 47,832.76 is: 65,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,964.71 : 93,758.75 = 47,832.76 : x
  2. Step 2: Convert to fraction form
    67,964.71/93,758.75 = 47,832.76/x
  3. Step 3: Cross multiply
    67,964.71x = 93,758.75 × 47,832.76
  4. Step 4: Simplify right side
    67,964.71x = 4,484,739,492.46
  5. Step 5: Solve for x
    x = 4,484,739,492.46/67,964.71
  6. Step 6: Final answer
    x = 65,986.30

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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.