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Finding the Fourth Proportional to 3,572.47, 4,927.70 and 2,243.86

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Solution

The fourth proportional to 3,572.47, 4,927.70 and 2,243.86 is: 3,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.47 : 4,927.70 = 2,243.86 : x
  2. Step 2: Convert to fraction form
    3,572.47/4,927.70 = 2,243.86/x
  3. Step 3: Cross multiply
    3,572.47x = 4,927.70 × 2,243.86
  4. Step 4: Simplify right side
    3,572.47x = 11,057,068.92
  5. Step 5: Solve for x
    x = 11,057,068.92/3,572.47
  6. Step 6: Final answer
    x = 3,095.08

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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.