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Finding the Fourth Proportional to 14,303.58, 21,450.11 and 4,941.20

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Solution

The fourth proportional to 14,303.58, 21,450.11 and 4,941.20 is: 7,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.58 : 21,450.11 = 4,941.20 : x
  2. Step 2: Convert to fraction form
    14,303.58/21,450.11 = 4,941.20/x
  3. Step 3: Cross multiply
    14,303.58x = 21,450.11 × 4,941.20
  4. Step 4: Simplify right side
    14,303.58x = 105,989,151.58
  5. Step 5: Solve for x
    x = 105,989,151.58/14,303.58
  6. Step 6: Final answer
    x = 7,409.97

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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.