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Finding the Fourth Proportional to 7,260.52, 10,890.80 and 6,030.40

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Solution

The fourth proportional to 7,260.52, 10,890.80 and 6,030.40 is: 9,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.52 : 10,890.80 = 6,030.40 : x
  2. Step 2: Convert to fraction form
    7,260.52/10,890.80 = 6,030.40/x
  3. Step 3: Cross multiply
    7,260.52x = 10,890.80 × 6,030.40
  4. Step 4: Simplify right side
    7,260.52x = 65,675,880.32
  5. Step 5: Solve for x
    x = 65,675,880.32/7,260.52
  6. Step 6: Final answer
    x = 9,045.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.