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Finding the Fourth Proportional to 7,435.90, 11,068.90 and 7,325.14

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Solution

The fourth proportional to 7,435.90, 11,068.90 and 7,325.14 is: 10,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.90 : 11,068.90 = 7,325.14 : x
  2. Step 2: Convert to fraction form
    7,435.90/11,068.90 = 7,325.14/x
  3. Step 3: Cross multiply
    7,435.90x = 11,068.90 × 7,325.14
  4. Step 4: Simplify right side
    7,435.90x = 81,081,205.52
  5. Step 5: Solve for x
    x = 81,081,205.52/7,435.90
  6. Step 6: Final answer
    x = 10,904.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.