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Finding the Fourth Proportional to 70,866.52, 97,697.73 and 50,688.16

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Solution

The fourth proportional to 70,866.52, 97,697.73 and 50,688.16 is: 69,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,866.52 : 97,697.73 = 50,688.16 : x
  2. Step 2: Convert to fraction form
    70,866.52/97,697.73 = 50,688.16/x
  3. Step 3: Cross multiply
    70,866.52x = 97,697.73 × 50,688.16
  4. Step 4: Simplify right side
    70,866.52x = 4,952,118,169.88
  5. Step 5: Solve for x
    x = 4,952,118,169.88/70,866.52
  6. Step 6: Final answer
    x = 69,879.52

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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.