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Finding the Fourth Proportional to 75,342.40, 113,014.32 and 22,752.32

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Solution

The fourth proportional to 75,342.40, 113,014.32 and 22,752.32 is: 34,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,342.40 : 113,014.32 = 22,752.32 : x
  2. Step 2: Convert to fraction form
    75,342.40/113,014.32 = 22,752.32/x
  3. Step 3: Cross multiply
    75,342.40x = 113,014.32 × 22,752.32
  4. Step 4: Simplify right side
    75,342.40x = 2,571,337,973.22
  5. Step 5: Solve for x
    x = 2,571,337,973.22/75,342.40
  6. Step 6: Final answer
    x = 34,128.70

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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.