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Finding the Fourth Proportional to 70,295.83, 105,443.74 and 35,227.28

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Solution

The fourth proportional to 70,295.83, 105,443.74 and 35,227.28 is: 52,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295.83 : 105,443.74 = 35,227.28 : x
  2. Step 2: Convert to fraction form
    70,295.83/105,443.74 = 35,227.28/x
  3. Step 3: Cross multiply
    70,295.83x = 105,443.74 × 35,227.28
  4. Step 4: Simplify right side
    70,295.83x = 3,714,496,153.23
  5. Step 5: Solve for x
    x = 3,714,496,153.23/70,295.83
  6. Step 6: Final answer
    x = 52,840.92

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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.