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Finding the Fourth Proportional to 63,425, 87,526.50 and 35,132.52

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Solution

The fourth proportional to 63,425, 87,526.50 and 35,132.52 is: 48,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,425 : 87,526.50 = 35,132.52 : x
  2. Step 2: Convert to fraction form
    63,425/87,526.50 = 35,132.52/x
  3. Step 3: Cross multiply
    63,425x = 87,526.50 × 35,132.52
  4. Step 4: Simplify right side
    63,425x = 3,075,026,511.78
  5. Step 5: Solve for x
    x = 3,075,026,511.78/63,425
  6. Step 6: Final answer
    x = 48,482.88

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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.