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Finding the Fourth Proportional to 35,392.51, 53,107.21 and 14,348.10

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Solution

The fourth proportional to 35,392.51, 53,107.21 and 14,348.10 is: 21,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.51 : 53,107.21 = 14,348.10 : x
  2. Step 2: Convert to fraction form
    35,392.51/53,107.21 = 14,348.10/x
  3. Step 3: Cross multiply
    35,392.51x = 53,107.21 × 14,348.10
  4. Step 4: Simplify right side
    35,392.51x = 761,987,776.89
  5. Step 5: Solve for x
    x = 761,987,776.89/35,392.51
  6. Step 6: Final answer
    x = 21,529.63

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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.