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Finding the Fourth Proportional to 45,904.60, 68,840.70 and 16,323.40

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Solution

The fourth proportional to 45,904.60, 68,840.70 and 16,323.40 is: 24,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,904.60 : 68,840.70 = 16,323.40 : x
  2. Step 2: Convert to fraction form
    45,904.60/68,840.70 = 16,323.40/x
  3. Step 3: Cross multiply
    45,904.60x = 68,840.70 × 16,323.40
  4. Step 4: Simplify right side
    45,904.60x = 1,123,714,282.38
  5. Step 5: Solve for x
    x = 1,123,714,282.38/45,904.60
  6. Step 6: Final answer
    x = 24,479.34

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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.