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Finding the Fourth Proportional to 63,423, 87,523.74 and 35,130.51

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Solution

The fourth proportional to 63,423, 87,523.74 and 35,130.51 is: 48,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,423 : 87,523.74 = 35,130.51 : x
  2. Step 2: Convert to fraction form
    63,423/87,523.74 = 35,130.51/x
  3. Step 3: Cross multiply
    63,423x = 87,523.74 × 35,130.51
  4. Step 4: Simplify right side
    63,423x = 3,074,753,623.31
  5. Step 5: Solve for x
    x = 3,074,753,623.31/63,423
  6. Step 6: Final answer
    x = 48,480.10

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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.