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Finding the Fourth Proportional to 9,080.65, 12,530.58 and 5,047.16

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Solution

The fourth proportional to 9,080.65, 12,530.58 and 5,047.16 is: 6,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.65 : 12,530.58 = 5,047.16 : x
  2. Step 2: Convert to fraction form
    9,080.65/12,530.58 = 5,047.16/x
  3. Step 3: Cross multiply
    9,080.65x = 12,530.58 × 5,047.16
  4. Step 4: Simplify right side
    9,080.65x = 63,243,904.35
  5. Step 5: Solve for x
    x = 63,243,904.35/9,080.65
  6. Step 6: Final answer
    x = 6,964.69

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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.