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Finding the Fourth Proportional to 9,349.04, 12,918.13 and 7,476.10

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Solution

The fourth proportional to 9,349.04, 12,918.13 and 7,476.10 is: 10,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.04 : 12,918.13 = 7,476.10 : x
  2. Step 2: Convert to fraction form
    9,349.04/12,918.13 = 7,476.10/x
  3. Step 3: Cross multiply
    9,349.04x = 12,918.13 × 7,476.10
  4. Step 4: Simplify right side
    9,349.04x = 96,577,180.71
  5. Step 5: Solve for x
    x = 96,577,180.71/9,349.04
  6. Step 6: Final answer
    x = 10,330.17

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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.