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Finding the Fourth Proportional to 70,035.53, 96,740.20 and 56,657.25

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Solution

The fourth proportional to 70,035.53, 96,740.20 and 56,657.25 is: 78,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,035.53 : 96,740.20 = 56,657.25 : x
  2. Step 2: Convert to fraction form
    70,035.53/96,740.20 = 56,657.25/x
  3. Step 3: Cross multiply
    70,035.53x = 96,740.20 × 56,657.25
  4. Step 4: Simplify right side
    70,035.53x = 5,481,033,554.81
  5. Step 5: Solve for x
    x = 5,481,033,554.81/70,035.53
  6. Step 6: Final answer
    x = 78,260.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.