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Finding the Fourth Proportional to 63,055.74, 87,017.53 and 34,762.46

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Solution

The fourth proportional to 63,055.74, 87,017.53 and 34,762.46 is: 47,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,055.74 : 87,017.53 = 34,762.46 : x
  2. Step 2: Convert to fraction form
    63,055.74/87,017.53 = 34,762.46/x
  3. Step 3: Cross multiply
    63,055.74x = 87,017.53 × 34,762.46
  4. Step 4: Simplify right side
    63,055.74x = 3,024,943,405.92
  5. Step 5: Solve for x
    x = 3,024,943,405.92/63,055.74
  6. Step 6: Final answer
    x = 47,972.53

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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.