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Finding the Fourth Proportional to 5,001.86, 7,502.55 and 1,881.62

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Solution

The fourth proportional to 5,001.86, 7,502.55 and 1,881.62 is: 2,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.86 : 7,502.55 = 1,881.62 : x
  2. Step 2: Convert to fraction form
    5,001.86/7,502.55 = 1,881.62/x
  3. Step 3: Cross multiply
    5,001.86x = 7,502.55 × 1,881.62
  4. Step 4: Simplify right side
    5,001.86x = 14,116,966.89
  5. Step 5: Solve for x
    x = 14,116,966.89/5,001.86
  6. Step 6: Final answer
    x = 2,822.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.