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Finding the Fourth Proportional to 65,920.68, 98,885.63 and 32,631.81

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Solution

The fourth proportional to 65,920.68, 98,885.63 and 32,631.81 is: 48,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,920.68 : 98,885.63 = 32,631.81 : x
  2. Step 2: Convert to fraction form
    65,920.68/98,885.63 = 32,631.81/x
  3. Step 3: Cross multiply
    65,920.68x = 98,885.63 × 32,631.81
  4. Step 4: Simplify right side
    65,920.68x = 3,226,817,171.47
  5. Step 5: Solve for x
    x = 3,226,817,171.47/65,920.68
  6. Step 6: Final answer
    x = 48,950.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.