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Finding the Fourth Proportional to 64,313.70, 88,752.78 and 36,019.59

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Solution

The fourth proportional to 64,313.70, 88,752.78 and 36,019.59 is: 49,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,313.70 : 88,752.78 = 36,019.59 : x
  2. Step 2: Convert to fraction form
    64,313.70/88,752.78 = 36,019.59/x
  3. Step 3: Cross multiply
    64,313.70x = 88,752.78 × 36,019.59
  4. Step 4: Simplify right side
    64,313.70x = 3,196,838,746.96
  5. Step 5: Solve for x
    x = 3,196,838,746.96/64,313.70
  6. Step 6: Final answer
    x = 49,706.96

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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.