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Finding the Fourth Proportional to 8,572.97, 11,830.79 and 5,036.24

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Solution

The fourth proportional to 8,572.97, 11,830.79 and 5,036.24 is: 6,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.97 : 11,830.79 = 5,036.24 : x
  2. Step 2: Convert to fraction form
    8,572.97/11,830.79 = 5,036.24/x
  3. Step 3: Cross multiply
    8,572.97x = 11,830.79 × 5,036.24
  4. Step 4: Simplify right side
    8,572.97x = 59,582,740.00
  5. Step 5: Solve for x
    x = 59,582,740.00/8,572.97
  6. Step 6: Final answer
    x = 6,950.07

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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.