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Finding the Fourth Proportional to 70,291.50, 105,437.16 and 22,906.52

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Solution

The fourth proportional to 70,291.50, 105,437.16 and 22,906.52 is: 34,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,291.50 : 105,437.16 = 22,906.52 : x
  2. Step 2: Convert to fraction form
    70,291.50/105,437.16 = 22,906.52/x
  3. Step 3: Cross multiply
    70,291.50x = 105,437.16 × 22,906.52
  4. Step 4: Simplify right side
    70,291.50x = 2,415,197,887.10
  5. Step 5: Solve for x
    x = 2,415,197,887.10/70,291.50
  6. Step 6: Final answer
    x = 34,359.74

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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.