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Finding the Fourth Proportional to 14,457.63, 21,687.19 and 4,070.19

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Solution

The fourth proportional to 14,457.63, 21,687.19 and 4,070.19 is: 6,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.63 : 21,687.19 = 4,070.19 : x
  2. Step 2: Convert to fraction form
    14,457.63/21,687.19 = 4,070.19/x
  3. Step 3: Cross multiply
    14,457.63x = 21,687.19 × 4,070.19
  4. Step 4: Simplify right side
    14,457.63x = 88,270,983.87
  5. Step 5: Solve for x
    x = 88,270,983.87/14,457.63
  6. Step 6: Final answer
    x = 6,105.49

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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.