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Finding the Fourth Proportional to 64,438.58, 88,925.06 and 35,762.57

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Solution

The fourth proportional to 64,438.58, 88,925.06 and 35,762.57 is: 49,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,438.58 : 88,925.06 = 35,762.57 : x
  2. Step 2: Convert to fraction form
    64,438.58/88,925.06 = 35,762.57/x
  3. Step 3: Cross multiply
    64,438.58x = 88,925.06 × 35,762.57
  4. Step 4: Simplify right side
    64,438.58x = 3,180,188,994.72
  5. Step 5: Solve for x
    x = 3,180,188,994.72/64,438.58
  6. Step 6: Final answer
    x = 49,352.25

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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.