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Finding the Fourth Proportional to 85,473.74, 128,216.08 and 32,883.23

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Solution

The fourth proportional to 85,473.74, 128,216.08 and 32,883.23 is: 49,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,473.74 : 128,216.08 = 32,883.23 : x
  2. Step 2: Convert to fraction form
    85,473.74/128,216.08 = 32,883.23/x
  3. Step 3: Cross multiply
    85,473.74x = 128,216.08 × 32,883.23
  4. Step 4: Simplify right side
    85,473.74x = 4,216,158,848.34
  5. Step 5: Solve for x
    x = 4,216,158,848.34/85,473.74
  6. Step 6: Final answer
    x = 49,326.95

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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.