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Finding the Fourth Proportional to 16,965.04, 23,412.04 and 9,411.68

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Solution

The fourth proportional to 16,965.04, 23,412.04 and 9,411.68 is: 12,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.04 : 23,412.04 = 9,411.68 : x
  2. Step 2: Convert to fraction form
    16,965.04/23,412.04 = 9,411.68/x
  3. Step 3: Cross multiply
    16,965.04x = 23,412.04 × 9,411.68
  4. Step 4: Simplify right side
    16,965.04x = 220,346,628.63
  5. Step 5: Solve for x
    x = 220,346,628.63/16,965.04
  6. Step 6: Final answer
    x = 12,988.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.