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Finding the Fourth Proportional to 7,955.58, 10,981.66 and 6,832.01

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Solution

The fourth proportional to 7,955.58, 10,981.66 and 6,832.01 is: 9,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.58 : 10,981.66 = 6,832.01 : x
  2. Step 2: Convert to fraction form
    7,955.58/10,981.66 = 6,832.01/x
  3. Step 3: Cross multiply
    7,955.58x = 10,981.66 × 6,832.01
  4. Step 4: Simplify right side
    7,955.58x = 75,026,810.94
  5. Step 5: Solve for x
    x = 75,026,810.94/7,955.58
  6. Step 6: Final answer
    x = 9,430.72

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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.