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Finding the Fourth Proportional to 14,898.90, 22,311.90 and 9,941.70

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Solution

The fourth proportional to 14,898.90, 22,311.90 and 9,941.70 is: 14,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.90 : 22,311.90 = 9,941.70 : x
  2. Step 2: Convert to fraction form
    14,898.90/22,311.90 = 9,941.70/x
  3. Step 3: Cross multiply
    14,898.90x = 22,311.90 × 9,941.70
  4. Step 4: Simplify right side
    14,898.90x = 221,818,216.23
  5. Step 5: Solve for x
    x = 221,818,216.23/14,898.90
  6. Step 6: Final answer
    x = 14,888.23

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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.