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Finding the Fourth Proportional to 6,955.16, 9,599.04 and 3,970.32

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Solution

The fourth proportional to 6,955.16, 9,599.04 and 3,970.32 is: 5,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.16 : 9,599.04 = 3,970.32 : x
  2. Step 2: Convert to fraction form
    6,955.16/9,599.04 = 3,970.32/x
  3. Step 3: Cross multiply
    6,955.16x = 9,599.04 × 3,970.32
  4. Step 4: Simplify right side
    6,955.16x = 38,111,260.49
  5. Step 5: Solve for x
    x = 38,111,260.49/6,955.16
  6. Step 6: Final answer
    x = 5,479.57

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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.