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Finding the Fourth Proportional to 15,402.12, 23,099.08 and 4,308.12

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Solution

The fourth proportional to 15,402.12, 23,099.08 and 4,308.12 is: 6,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.12 : 23,099.08 = 4,308.12 : x
  2. Step 2: Convert to fraction form
    15,402.12/23,099.08 = 4,308.12/x
  3. Step 3: Cross multiply
    15,402.12x = 23,099.08 × 4,308.12
  4. Step 4: Simplify right side
    15,402.12x = 99,513,608.53
  5. Step 5: Solve for x
    x = 99,513,608.53/15,402.12
  6. Step 6: Final answer
    x = 6,461.03

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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.