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Finding the Fourth Proportional to 8,462.50, 11,678.42 and 5,063.01

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Solution

The fourth proportional to 8,462.50, 11,678.42 and 5,063.01 is: 6,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.50 : 11,678.42 = 5,063.01 : x
  2. Step 2: Convert to fraction form
    8,462.50/11,678.42 = 5,063.01/x
  3. Step 3: Cross multiply
    8,462.50x = 11,678.42 × 5,063.01
  4. Step 4: Simplify right side
    8,462.50x = 59,127,957.24
  5. Step 5: Solve for x
    x = 59,127,957.24/8,462.50
  6. Step 6: Final answer
    x = 6,987.06

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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.