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Finding the Fourth Proportional to 17,837,019.60, 26,755,529.40 and 12,462,248.40

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Solution

The fourth proportional to 17,837,019.60, 26,755,529.40 and 12,462,248.40 is: 18,693,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,837,019.60 : 26,755,529.40 = 12,462,248.40 : x
  2. Step 2: Convert to fraction form
    17,837,019.60/26,755,529.40 = 12,462,248.40/x
  3. Step 3: Cross multiply
    17,837,019.60x = 26,755,529.40 × 12,462,248.40
  4. Step 4: Simplify right side
    17,837,019.60x = 333,434,053,456,302.94
  5. Step 5: Solve for x
    x = 333,434,053,456,302.94/17,837,019.60
  6. Step 6: Final answer
    x = 18,693,372.60

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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.