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Finding the Fourth Proportional to 15,800.47, 23,705.03 and 6,914.18

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Solution

The fourth proportional to 15,800.47, 23,705.03 and 6,914.18 is: 10,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.47 : 23,705.03 = 6,914.18 : x
  2. Step 2: Convert to fraction form
    15,800.47/23,705.03 = 6,914.18/x
  3. Step 3: Cross multiply
    15,800.47x = 23,705.03 × 6,914.18
  4. Step 4: Simplify right side
    15,800.47x = 163,900,844.33
  5. Step 5: Solve for x
    x = 163,900,844.33/15,800.47
  6. Step 6: Final answer
    x = 10,373.16

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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.