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Finding the Fourth Proportional to 4,553.40, 6,127.65 and 4,553.40

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Solution

The fourth proportional to 4,553.40, 6,127.65 and 4,553.40 is: 6,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553.40 : 6,127.65 = 4,553.40 : x
  2. Step 2: Convert to fraction form
    4,553.40/6,127.65 = 4,553.40/x
  3. Step 3: Cross multiply
    4,553.40x = 6,127.65 × 4,553.40
  4. Step 4: Simplify right side
    4,553.40x = 27,901,641.51
  5. Step 5: Solve for x
    x = 27,901,641.51/4,553.40
  6. Step 6: Final answer
    x = 6,127.65

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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.