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Finding the Fourth Proportional to 8,572.58, 11,831.25 and 4,795.95

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Solution

The fourth proportional to 8,572.58, 11,831.25 and 4,795.95 is: 6,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.58 : 11,831.25 = 4,795.95 : x
  2. Step 2: Convert to fraction form
    8,572.58/11,831.25 = 4,795.95/x
  3. Step 3: Cross multiply
    8,572.58x = 11,831.25 × 4,795.95
  4. Step 4: Simplify right side
    8,572.58x = 56,742,083.44
  5. Step 5: Solve for x
    x = 56,742,083.44/8,572.58
  6. Step 6: Final answer
    x = 6,619.02

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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.