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Finding the Fourth Proportional to 64,364.52, 88,806.36 and 38,850.72

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Solution

The fourth proportional to 64,364.52, 88,806.36 and 38,850.72 is: 53,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.52 : 88,806.36 = 38,850.72 : x
  2. Step 2: Convert to fraction form
    64,364.52/88,806.36 = 38,850.72/x
  3. Step 3: Cross multiply
    64,364.52x = 88,806.36 × 38,850.72
  4. Step 4: Simplify right side
    64,364.52x = 3,450,191,026.58
  5. Step 5: Solve for x
    x = 3,450,191,026.58/64,364.52
  6. Step 6: Final answer
    x = 53,603.93

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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.