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Finding the Fourth Proportional to 64,152.70, 88,528.35 and 35,858.86

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Solution

The fourth proportional to 64,152.70, 88,528.35 and 35,858.86 is: 49,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152.70 : 88,528.35 = 35,858.86 : x
  2. Step 2: Convert to fraction form
    64,152.70/88,528.35 = 35,858.86/x
  3. Step 3: Cross multiply
    64,152.70x = 88,528.35 × 35,858.86
  4. Step 4: Simplify right side
    64,152.70x = 3,174,525,708.68
  5. Step 5: Solve for x
    x = 3,174,525,708.68/64,152.70
  6. Step 6: Final answer
    x = 49,483.90

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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.