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Finding the Fourth Proportional to 54,256.80, 73,013.40 and 54,256.80

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Solution

The fourth proportional to 54,256.80, 73,013.40 and 54,256.80 is: 73,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,256.80 : 73,013.40 = 54,256.80 : x
  2. Step 2: Convert to fraction form
    54,256.80/73,013.40 = 54,256.80/x
  3. Step 3: Cross multiply
    54,256.80x = 73,013.40 × 54,256.80
  4. Step 4: Simplify right side
    54,256.80x = 3,961,473,441.12
  5. Step 5: Solve for x
    x = 3,961,473,441.12/54,256.80
  6. Step 6: Final answer
    x = 73,013.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.