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Finding the Fourth Proportional to 76,603.70, 114,905.59 and 23,295.58

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Solution

The fourth proportional to 76,603.70, 114,905.59 and 23,295.58 is: 34,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,603.70 : 114,905.59 = 23,295.58 : x
  2. Step 2: Convert to fraction form
    76,603.70/114,905.59 = 23,295.58/x
  3. Step 3: Cross multiply
    76,603.70x = 114,905.59 × 23,295.58
  4. Step 4: Simplify right side
    76,603.70x = 2,676,792,018.79
  5. Step 5: Solve for x
    x = 2,676,792,018.79/76,603.70
  6. Step 6: Final answer
    x = 34,943.38

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1.5x scale

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.