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Finding the Fourth Proportional to 23,307.35, 34,949.48 and 9,978.39

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Solution

The fourth proportional to 23,307.35, 34,949.48 and 9,978.39 is: 14,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,307.35 : 34,949.48 = 9,978.39 : x
  2. Step 2: Convert to fraction form
    23,307.35/34,949.48 = 9,978.39/x
  3. Step 3: Cross multiply
    23,307.35x = 34,949.48 × 9,978.39
  4. Step 4: Simplify right side
    23,307.35x = 348,739,491.85
  5. Step 5: Solve for x
    x = 348,739,491.85/23,307.35
  6. Step 6: Final answer
    x = 14,962.64

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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.