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Finding the Fourth Proportional to 64,657.76, 97,038.48 and 33,501.92

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Solution

The fourth proportional to 64,657.76, 97,038.48 and 33,501.92 is: 50,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.76 : 97,038.48 = 33,501.92 : x
  2. Step 2: Convert to fraction form
    64,657.76/97,038.48 = 33,501.92/x
  3. Step 3: Cross multiply
    64,657.76x = 97,038.48 × 33,501.92
  4. Step 4: Simplify right side
    64,657.76x = 3,250,975,393.88
  5. Step 5: Solve for x
    x = 3,250,975,393.88/64,657.76
  6. Step 6: Final answer
    x = 50,279.74

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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.