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Finding the Fourth Proportional to 17,373.81, 23,977.08 and 9,820.20

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Solution

The fourth proportional to 17,373.81, 23,977.08 and 9,820.20 is: 13,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,373.81 : 23,977.08 = 9,820.20 : x
  2. Step 2: Convert to fraction form
    17,373.81/23,977.08 = 9,820.20/x
  3. Step 3: Cross multiply
    17,373.81x = 23,977.08 × 9,820.20
  4. Step 4: Simplify right side
    17,373.81x = 235,459,719.84
  5. Step 5: Solve for x
    x = 235,459,719.84/17,373.81
  6. Step 6: Final answer
    x = 13,552.56

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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.