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Finding the Fourth Proportional to 42,671.88, 64,009.53 and 16,015.14

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Solution

The fourth proportional to 42,671.88, 64,009.53 and 16,015.14 is: 24,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,671.88 : 64,009.53 = 16,015.14 : x
  2. Step 2: Convert to fraction form
    42,671.88/64,009.53 = 16,015.14/x
  3. Step 3: Cross multiply
    42,671.88x = 64,009.53 × 16,015.14
  4. Step 4: Simplify right side
    42,671.88x = 1,025,121,584.28
  5. Step 5: Solve for x
    x = 1,025,121,584.28/42,671.88
  6. Step 6: Final answer
    x = 24,023.35

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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.