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Finding the Fourth Proportional to 64,554.96, 96,831.48 and 17,806.80

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Solution

The fourth proportional to 64,554.96, 96,831.48 and 17,806.80 is: 26,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,554.96 : 96,831.48 = 17,806.80 : x
  2. Step 2: Convert to fraction form
    64,554.96/96,831.48 = 17,806.80/x
  3. Step 3: Cross multiply
    64,554.96x = 96,831.48 × 17,806.80
  4. Step 4: Simplify right side
    64,554.96x = 1,724,258,798.06
  5. Step 5: Solve for x
    x = 1,724,258,798.06/64,554.96
  6. Step 6: Final answer
    x = 26,709.94

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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.