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Finding the Fourth Proportional to 70,382.85, 97,213.54 and 51,232.25

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Solution

The fourth proportional to 70,382.85, 97,213.54 and 51,232.25 is: 70,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,382.85 : 97,213.54 = 51,232.25 : x
  2. Step 2: Convert to fraction form
    70,382.85/97,213.54 = 51,232.25/x
  3. Step 3: Cross multiply
    70,382.85x = 97,213.54 × 51,232.25
  4. Step 4: Simplify right side
    70,382.85x = 4,980,468,384.67
  5. Step 5: Solve for x
    x = 4,980,468,384.67/70,382.85
  6. Step 6: Final answer
    x = 70,762.53

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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.