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Finding the Fourth Proportional to 47,409.94, 65,420.14 and 26,187.94

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Solution

The fourth proportional to 47,409.94, 65,420.14 and 26,187.94 is: 36,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.94 : 65,420.14 = 26,187.94 : x
  2. Step 2: Convert to fraction form
    47,409.94/65,420.14 = 26,187.94/x
  3. Step 3: Cross multiply
    47,409.94x = 65,420.14 × 26,187.94
  4. Step 4: Simplify right side
    47,409.94x = 1,713,218,243.07
  5. Step 5: Solve for x
    x = 1,713,218,243.07/47,409.94
  6. Step 6: Final answer
    x = 36,136.27

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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.