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Finding the Fourth Proportional to 45,602.42, 68,420.52 and 15,619.64

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Solution

The fourth proportional to 45,602.42, 68,420.52 and 15,619.64 is: 23,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,602.42 : 68,420.52 = 15,619.64 : x
  2. Step 2: Convert to fraction form
    45,602.42/68,420.52 = 15,619.64/x
  3. Step 3: Cross multiply
    45,602.42x = 68,420.52 × 15,619.64
  4. Step 4: Simplify right side
    45,602.42x = 1,068,703,592.84
  5. Step 5: Solve for x
    x = 1,068,703,592.84/45,602.42
  6. Step 6: Final answer
    x = 23,435.24

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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.