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Finding the Fourth Proportional to 51,281.52, 70,741.08 and 35,373.84

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Solution

The fourth proportional to 51,281.52, 70,741.08 and 35,373.84 is: 48,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281.52 : 70,741.08 = 35,373.84 : x
  2. Step 2: Convert to fraction form
    51,281.52/70,741.08 = 35,373.84/x
  3. Step 3: Cross multiply
    51,281.52x = 70,741.08 × 35,373.84
  4. Step 4: Simplify right side
    51,281.52x = 2,502,383,645.35
  5. Step 5: Solve for x
    x = 2,502,383,645.35/51,281.52
  6. Step 6: Final answer
    x = 48,796.99

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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.