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Finding the Fourth Proportional to 7,659.81, 10,585.04 and 6,525.32

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Solution

The fourth proportional to 7,659.81, 10,585.04 and 6,525.32 is: 9,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.81 : 10,585.04 = 6,525.32 : x
  2. Step 2: Convert to fraction form
    7,659.81/10,585.04 = 6,525.32/x
  3. Step 3: Cross multiply
    7,659.81x = 10,585.04 × 6,525.32
  4. Step 4: Simplify right side
    7,659.81x = 69,070,687.66
  5. Step 5: Solve for x
    x = 69,070,687.66/7,659.81
  6. Step 6: Final answer
    x = 9,017.28

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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.