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Finding the Fourth Proportional to 9,989.16, 14,992.94 and 5,062.23

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Solution

The fourth proportional to 9,989.16, 14,992.94 and 5,062.23 is: 7,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.16 : 14,992.94 = 5,062.23 : x
  2. Step 2: Convert to fraction form
    9,989.16/14,992.94 = 5,062.23/x
  3. Step 3: Cross multiply
    9,989.16x = 14,992.94 × 5,062.23
  4. Step 4: Simplify right side
    9,989.16x = 75,897,710.66
  5. Step 5: Solve for x
    x = 75,897,710.66/9,989.16
  6. Step 6: Final answer
    x = 7,598.01

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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.