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Finding the Fourth Proportional to 64,038.86, 88,367.27 and 35,356.67

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Solution

The fourth proportional to 64,038.86, 88,367.27 and 35,356.67 is: 48,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,038.86 : 88,367.27 = 35,356.67 : x
  2. Step 2: Convert to fraction form
    64,038.86/88,367.27 = 35,356.67/x
  3. Step 3: Cross multiply
    64,038.86x = 88,367.27 × 35,356.67
  4. Step 4: Simplify right side
    64,038.86x = 3,124,371,785.57
  5. Step 5: Solve for x
    x = 3,124,371,785.57/64,038.86
  6. Step 6: Final answer
    x = 48,788.69

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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.