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Finding the Fourth Proportional to 65,658, 98,487.12 and 16,410

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Solution

The fourth proportional to 65,658, 98,487.12 and 16,410 is: 24,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,658 : 98,487.12 = 16,410 : x
  2. Step 2: Convert to fraction form
    65,658/98,487.12 = 16,410/x
  3. Step 3: Cross multiply
    65,658x = 98,487.12 × 16,410
  4. Step 4: Simplify right side
    65,658x = 1,616,173,639.20
  5. Step 5: Solve for x
    x = 1,616,173,639.20/65,658
  6. Step 6: Final answer
    x = 24,615.03

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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.