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Finding the Fourth Proportional to 62,605.50, 86,395.59 and 36,109.50

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Solution

The fourth proportional to 62,605.50, 86,395.59 and 36,109.50 is: 49,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,605.50 : 86,395.59 = 36,109.50 : x
  2. Step 2: Convert to fraction form
    62,605.50/86,395.59 = 36,109.50/x
  3. Step 3: Cross multiply
    62,605.50x = 86,395.59 × 36,109.50
  4. Step 4: Simplify right side
    62,605.50x = 3,119,701,557.11
  5. Step 5: Solve for x
    x = 3,119,701,557.11/62,605.50
  6. Step 6: Final answer
    x = 49,831.11

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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.