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Finding the Fourth Proportional to 64,969.20, 97,473.60 and 27,509.76

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Solution

The fourth proportional to 64,969.20, 97,473.60 and 27,509.76 is: 41,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,969.20 : 97,473.60 = 27,509.76 : x
  2. Step 2: Convert to fraction form
    64,969.20/97,473.60 = 27,509.76/x
  3. Step 3: Cross multiply
    64,969.20x = 97,473.60 × 27,509.76
  4. Step 4: Simplify right side
    64,969.20x = 2,681,475,342.34
  5. Step 5: Solve for x
    x = 2,681,475,342.34/64,969.20
  6. Step 6: Final answer
    x = 41,273.02

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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.