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Finding the Fourth Proportional to 62,962.14, 86,893.88 and 47,018.91

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Solution

The fourth proportional to 62,962.14, 86,893.88 and 47,018.91 is: 64,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,962.14 : 86,893.88 = 47,018.91 : x
  2. Step 2: Convert to fraction form
    62,962.14/86,893.88 = 47,018.91/x
  3. Step 3: Cross multiply
    62,962.14x = 86,893.88 × 47,018.91
  4. Step 4: Simplify right side
    62,962.14x = 4,085,654,853.71
  5. Step 5: Solve for x
    x = 4,085,654,853.71/62,962.14
  6. Step 6: Final answer
    x = 64,890.67

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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.