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Finding the Fourth Proportional to 73,071.54, 109,541.49 and 26,291.50

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Solution

The fourth proportional to 73,071.54, 109,541.49 and 26,291.50 is: 39,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071.54 : 109,541.49 = 26,291.50 : x
  2. Step 2: Convert to fraction form
    73,071.54/109,541.49 = 26,291.50/x
  3. Step 3: Cross multiply
    73,071.54x = 109,541.49 × 26,291.50
  4. Step 4: Simplify right side
    73,071.54x = 2,880,010,084.34
  5. Step 5: Solve for x
    x = 2,880,010,084.34/73,071.54
  6. Step 6: Final answer
    x = 39,413.57

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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.