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Finding the Fourth Proportional to 63,423, 87,523.74 and 35,134.16

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Solution

The fourth proportional to 63,423, 87,523.74 and 35,134.16 is: 48,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,423 : 87,523.74 = 35,134.16 : x
  2. Step 2: Convert to fraction form
    63,423/87,523.74 = 35,134.16/x
  3. Step 3: Cross multiply
    63,423x = 87,523.74 × 35,134.16
  4. Step 4: Simplify right side
    63,423x = 3,075,072,647.34
  5. Step 5: Solve for x
    x = 3,075,072,647.34/63,423
  6. Step 6: Final answer
    x = 48,485.13

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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.