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Finding the Fourth Proportional to 65,008.41, 97,524.72 and 20,623.20

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Solution

The fourth proportional to 65,008.41, 97,524.72 and 20,623.20 is: 30,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,008.41 : 97,524.72 = 20,623.20 : x
  2. Step 2: Convert to fraction form
    65,008.41/97,524.72 = 20,623.20/x
  3. Step 3: Cross multiply
    65,008.41x = 97,524.72 × 20,623.20
  4. Step 4: Simplify right side
    65,008.41x = 2,011,271,805.50
  5. Step 5: Solve for x
    x = 2,011,271,805.50/65,008.41
  6. Step 6: Final answer
    x = 30,938.64

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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.