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Finding the Fourth Proportional to 73,047.06, 100,804.98 and 39,513.06

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Solution

The fourth proportional to 73,047.06, 100,804.98 and 39,513.06 is: 54,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,047.06 : 100,804.98 = 39,513.06 : x
  2. Step 2: Convert to fraction form
    73,047.06/100,804.98 = 39,513.06/x
  3. Step 3: Cross multiply
    73,047.06x = 100,804.98 × 39,513.06
  4. Step 4: Simplify right side
    73,047.06x = 3,983,113,223.04
  5. Step 5: Solve for x
    x = 3,983,113,223.04/73,047.06
  6. Step 6: Final answer
    x = 54,528.04

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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.