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Finding the Fourth Proportional to 81,603.53, 112,584.00 and 53,325.62

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Solution

The fourth proportional to 81,603.53, 112,584.00 and 53,325.62 is: 73,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,603.53 : 112,584.00 = 53,325.62 : x
  2. Step 2: Convert to fraction form
    81,603.53/112,584.00 = 53,325.62/x
  3. Step 3: Cross multiply
    81,603.53x = 112,584.00 × 53,325.62
  4. Step 4: Simplify right side
    81,603.53x = 6,003,612,294.61
  5. Step 5: Solve for x
    x = 6,003,612,294.61/81,603.53
  6. Step 6: Final answer
    x = 73,570.49

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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.