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Finding the Fourth Proportional to 7,325.40, 10,971.90 and 6,029.40

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Solution

The fourth proportional to 7,325.40, 10,971.90 and 6,029.40 is: 9,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.40 : 10,971.90 = 6,029.40 : x
  2. Step 2: Convert to fraction form
    7,325.40/10,971.90 = 6,029.40/x
  3. Step 3: Cross multiply
    7,325.40x = 10,971.90 × 6,029.40
  4. Step 4: Simplify right side
    7,325.40x = 66,153,973.86
  5. Step 5: Solve for x
    x = 66,153,973.86/7,325.40
  6. Step 6: Final answer
    x = 9,030.77

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1.5x scale

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.