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Finding the Fourth Proportional to 5,000.48, 6,901.64 and 2,877.48

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Solution

The fourth proportional to 5,000.48, 6,901.64 and 2,877.48 is: 3,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.48 : 6,901.64 = 2,877.48 : x
  2. Step 2: Convert to fraction form
    5,000.48/6,901.64 = 2,877.48/x
  3. Step 3: Cross multiply
    5,000.48x = 6,901.64 × 2,877.48
  4. Step 4: Simplify right side
    5,000.48x = 19,859,331.07
  5. Step 5: Solve for x
    x = 19,859,331.07/5,000.48
  6. Step 6: Final answer
    x = 3,971.48

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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.