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Finding the Fourth Proportional to 7,332.06, 10,119.48 and 7,089.06

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Solution

The fourth proportional to 7,332.06, 10,119.48 and 7,089.06 is: 9,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.06 : 10,119.48 = 7,089.06 : x
  2. Step 2: Convert to fraction form
    7,332.06/10,119.48 = 7,089.06/x
  3. Step 3: Cross multiply
    7,332.06x = 10,119.48 × 7,089.06
  4. Step 4: Simplify right side
    7,332.06x = 71,737,600.89
  5. Step 5: Solve for x
    x = 71,737,600.89/7,332.06
  6. Step 6: Final answer
    x = 9,784.10

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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.