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Finding the Fourth Proportional to 65,883.40, 98,825.10 and 16,635.40

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Solution

The fourth proportional to 65,883.40, 98,825.10 and 16,635.40 is: 24,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,883.40 : 98,825.10 = 16,635.40 : x
  2. Step 2: Convert to fraction form
    65,883.40/98,825.10 = 16,635.40/x
  3. Step 3: Cross multiply
    65,883.40x = 98,825.10 × 16,635.40
  4. Step 4: Simplify right side
    65,883.40x = 1,643,995,068.54
  5. Step 5: Solve for x
    x = 1,643,995,068.54/65,883.40
  6. Step 6: Final answer
    x = 24,953.10

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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.