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Finding the Fourth Proportional to 23,328.70, 34,980.20 and 15,941.50

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Solution

The fourth proportional to 23,328.70, 34,980.20 and 15,941.50 is: 23,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328.70 : 34,980.20 = 15,941.50 : x
  2. Step 2: Convert to fraction form
    23,328.70/34,980.20 = 15,941.50/x
  3. Step 3: Cross multiply
    23,328.70x = 34,980.20 × 15,941.50
  4. Step 4: Simplify right side
    23,328.70x = 557,636,858.30
  5. Step 5: Solve for x
    x = 557,636,858.30/23,328.70
  6. Step 6: Final answer
    x = 23,903.47

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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.