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Finding the Fourth Proportional to 58,831.84, 88,228.86 and 19,378.36

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Solution

The fourth proportional to 58,831.84, 88,228.86 and 19,378.36 is: 29,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,831.84 : 88,228.86 = 19,378.36 : x
  2. Step 2: Convert to fraction form
    58,831.84/88,228.86 = 19,378.36/x
  3. Step 3: Cross multiply
    58,831.84x = 88,228.86 × 19,378.36
  4. Step 4: Simplify right side
    58,831.84x = 1,709,730,611.47
  5. Step 5: Solve for x
    x = 1,709,730,611.47/58,831.84
  6. Step 6: Final answer
    x = 29,061.31

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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.