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Finding the Fourth Proportional to 70,319.52, 105,479.36 and 25,927.04

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Solution

The fourth proportional to 70,319.52, 105,479.36 and 25,927.04 is: 38,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,319.52 : 105,479.36 = 25,927.04 : x
  2. Step 2: Convert to fraction form
    70,319.52/105,479.36 = 25,927.04/x
  3. Step 3: Cross multiply
    70,319.52x = 105,479.36 × 25,927.04
  4. Step 4: Simplify right side
    70,319.52x = 2,734,767,585.89
  5. Step 5: Solve for x
    x = 2,734,767,585.89/70,319.52
  6. Step 6: Final answer
    x = 38,890.59

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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.