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Finding the Fourth Proportional to 30,881.35, 46,322.03 and 7,507.59

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Solution

The fourth proportional to 30,881.35, 46,322.03 and 7,507.59 is: 11,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.35 : 46,322.03 = 7,507.59 : x
  2. Step 2: Convert to fraction form
    30,881.35/46,322.03 = 7,507.59/x
  3. Step 3: Cross multiply
    30,881.35x = 46,322.03 × 7,507.59
  4. Step 4: Simplify right side
    30,881.35x = 347,766,612.04
  5. Step 5: Solve for x
    x = 347,766,612.04/30,881.35
  6. Step 6: Final answer
    x = 11,261.38

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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.