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Finding the Fourth Proportional to 70,486.80, 97,276.28 and 46,571.52

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Solution

The fourth proportional to 70,486.80, 97,276.28 and 46,571.52 is: 64,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,486.80 : 97,276.28 = 46,571.52 : x
  2. Step 2: Convert to fraction form
    70,486.80/97,276.28 = 46,571.52/x
  3. Step 3: Cross multiply
    70,486.80x = 97,276.28 × 46,571.52
  4. Step 4: Simplify right side
    70,486.80x = 4,530,304,219.55
  5. Step 5: Solve for x
    x = 4,530,304,219.55/70,486.80
  6. Step 6: Final answer
    x = 64,271.67

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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.