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Finding the Fourth Proportional to 70,624.94, 105,937.58 and 17,317.15

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Solution

The fourth proportional to 70,624.94, 105,937.58 and 17,317.15 is: 25,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,624.94 : 105,937.58 = 17,317.15 : x
  2. Step 2: Convert to fraction form
    70,624.94/105,937.58 = 17,317.15/x
  3. Step 3: Cross multiply
    70,624.94x = 105,937.58 × 17,317.15
  4. Step 4: Simplify right side
    70,624.94x = 1,834,536,612.07
  5. Step 5: Solve for x
    x = 1,834,536,612.07/70,624.94
  6. Step 6: Final answer
    x = 25,975.76

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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.