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Finding the Fourth Proportional to 64,155.45, 88,530.93 and 35,473.45

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Solution

The fourth proportional to 64,155.45, 88,530.93 and 35,473.45 is: 48,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155.45 : 88,530.93 = 35,473.45 : x
  2. Step 2: Convert to fraction form
    64,155.45/88,530.93 = 35,473.45/x
  3. Step 3: Cross multiply
    64,155.45x = 88,530.93 × 35,473.45
  4. Step 4: Simplify right side
    64,155.45x = 3,140,497,076.15
  5. Step 5: Solve for x
    x = 3,140,497,076.15/64,155.45
  6. Step 6: Final answer
    x = 48,951.37

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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.