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Finding the Fourth Proportional to 23,988.72, 35,982.27 and 6,457.89

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Solution

The fourth proportional to 23,988.72, 35,982.27 and 6,457.89 is: 9,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.72 : 35,982.27 = 6,457.89 : x
  2. Step 2: Convert to fraction form
    23,988.72/35,982.27 = 6,457.89/x
  3. Step 3: Cross multiply
    23,988.72x = 35,982.27 × 6,457.89
  4. Step 4: Simplify right side
    23,988.72x = 232,369,541.61
  5. Step 5: Solve for x
    x = 232,369,541.61/23,988.72
  6. Step 6: Final answer
    x = 9,686.62

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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.