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Finding the Fourth Proportional to 9,045.65, 12,476.14 and 7,924.64

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Solution

The fourth proportional to 9,045.65, 12,476.14 and 7,924.64 is: 10,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.65 : 12,476.14 = 7,924.64 : x
  2. Step 2: Convert to fraction form
    9,045.65/12,476.14 = 7,924.64/x
  3. Step 3: Cross multiply
    9,045.65x = 12,476.14 × 7,924.64
  4. Step 4: Simplify right side
    9,045.65x = 98,868,878.47
  5. Step 5: Solve for x
    x = 98,868,878.47/9,045.65
  6. Step 6: Final answer
    x = 10,930.00

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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.