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Finding the Fourth Proportional to 68,491.68, 94,518.24 and 38,276.99

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Solution

The fourth proportional to 68,491.68, 94,518.24 and 38,276.99 is: 52,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,491.68 : 94,518.24 = 38,276.99 : x
  2. Step 2: Convert to fraction form
    68,491.68/94,518.24 = 38,276.99/x
  3. Step 3: Cross multiply
    68,491.68x = 94,518.24 × 38,276.99
  4. Step 4: Simplify right side
    68,491.68x = 3,617,873,254.71
  5. Step 5: Solve for x
    x = 3,617,873,254.71/68,491.68
  6. Step 6: Final answer
    x = 52,822.08

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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.