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Finding the Fourth Proportional to 37,831.95, 56,751.03 and 15,641.19

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Solution

The fourth proportional to 37,831.95, 56,751.03 and 15,641.19 is: 23,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.95 : 56,751.03 = 15,641.19 : x
  2. Step 2: Convert to fraction form
    37,831.95/56,751.03 = 15,641.19/x
  3. Step 3: Cross multiply
    37,831.95x = 56,751.03 × 15,641.19
  4. Step 4: Simplify right side
    37,831.95x = 887,653,642.93
  5. Step 5: Solve for x
    x = 887,653,642.93/37,831.95
  6. Step 6: Final answer
    x = 23,463.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.