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Finding the Fourth Proportional to 14,000.16, 21,001.86 and 4,641

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Solution

The fourth proportional to 14,000.16, 21,001.86 and 4,641 is: 6,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.16 : 21,001.86 = 4,641 : x
  2. Step 2: Convert to fraction form
    14,000.16/21,001.86 = 4,641/x
  3. Step 3: Cross multiply
    14,000.16x = 21,001.86 × 4,641
  4. Step 4: Simplify right side
    14,000.16x = 97,469,632.26
  5. Step 5: Solve for x
    x = 97,469,632.26/14,000.16
  6. Step 6: Final answer
    x = 6,962.04

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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.