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Finding the Fourth Proportional to 70,310.96, 105,467.52 and 25,948.16

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Solution

The fourth proportional to 70,310.96, 105,467.52 and 25,948.16 is: 38,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,310.96 : 105,467.52 = 25,948.16 : x
  2. Step 2: Convert to fraction form
    70,310.96/105,467.52 = 25,948.16/x
  3. Step 3: Cross multiply
    70,310.96x = 105,467.52 × 25,948.16
  4. Step 4: Simplify right side
    70,310.96x = 2,736,688,083.76
  5. Step 5: Solve for x
    x = 2,736,688,083.76/70,310.96
  6. Step 6: Final answer
    x = 38,922.64

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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.