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Finding the Fourth Proportional to 63,393, 87,482.34 and 35,100.51

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Solution

The fourth proportional to 63,393, 87,482.34 and 35,100.51 is: 48,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393 : 87,482.34 = 35,100.51 : x
  2. Step 2: Convert to fraction form
    63,393/87,482.34 = 35,100.51/x
  3. Step 3: Cross multiply
    63,393x = 87,482.34 × 35,100.51
  4. Step 4: Simplify right side
    63,393x = 3,070,674,749.99
  5. Step 5: Solve for x
    x = 3,070,674,749.99/63,393
  6. Step 6: Final answer
    x = 48,438.70

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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.