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Finding the Fourth Proportional to 5,051.88, 6,970.53 and 2,927.28

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Solution

The fourth proportional to 5,051.88, 6,970.53 and 2,927.28 is: 4,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.88 : 6,970.53 = 2,927.28 : x
  2. Step 2: Convert to fraction form
    5,051.88/6,970.53 = 2,927.28/x
  3. Step 3: Cross multiply
    5,051.88x = 6,970.53 × 2,927.28
  4. Step 4: Simplify right side
    5,051.88x = 20,404,693.06
  5. Step 5: Solve for x
    x = 20,404,693.06/5,051.88
  6. Step 6: Final answer
    x = 4,039.03

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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.