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Finding the Fourth Proportional to 64,150, 88,528.60 and 35,860.40

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Solution

The fourth proportional to 64,150, 88,528.60 and 35,860.40 is: 49,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,150 : 88,528.60 = 35,860.40 : x
  2. Step 2: Convert to fraction form
    64,150/88,528.60 = 35,860.40/x
  3. Step 3: Cross multiply
    64,150x = 88,528.60 × 35,860.40
  4. Step 4: Simplify right side
    64,150x = 3,174,671,007.44
  5. Step 5: Solve for x
    x = 3,174,671,007.44/64,150
  6. Step 6: Final answer
    x = 49,488.25

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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.