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Finding the Fourth Proportional to 35,607.39, 53,411.02 and 13,425.74

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Solution

The fourth proportional to 35,607.39, 53,411.02 and 13,425.74 is: 20,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.39 : 53,411.02 = 13,425.74 : x
  2. Step 2: Convert to fraction form
    35,607.39/53,411.02 = 13,425.74/x
  3. Step 3: Cross multiply
    35,607.39x = 53,411.02 × 13,425.74
  4. Step 4: Simplify right side
    35,607.39x = 717,082,567.62
  5. Step 5: Solve for x
    x = 717,082,567.62/35,607.39
  6. Step 6: Final answer
    x = 20,138.59

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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.