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Finding the Fourth Proportional to 64,042.76, 88,379.86 and 37,187.40

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Solution

The fourth proportional to 64,042.76, 88,379.86 and 37,187.40 is: 51,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,042.76 : 88,379.86 = 37,187.40 : x
  2. Step 2: Convert to fraction form
    64,042.76/88,379.86 = 37,187.40/x
  3. Step 3: Cross multiply
    64,042.76x = 88,379.86 × 37,187.40
  4. Step 4: Simplify right side
    64,042.76x = 3,286,617,205.76
  5. Step 5: Solve for x
    x = 3,286,617,205.76/64,042.76
  6. Step 6: Final answer
    x = 51,319.11

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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.