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Finding the Fourth Proportional to 62,401.80, 93,602.70 and 38,782.20

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Solution

The fourth proportional to 62,401.80, 93,602.70 and 38,782.20 is: 58,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,401.80 : 93,602.70 = 38,782.20 : x
  2. Step 2: Convert to fraction form
    62,401.80/93,602.70 = 38,782.20/x
  3. Step 3: Cross multiply
    62,401.80x = 93,602.70 × 38,782.20
  4. Step 4: Simplify right side
    62,401.80x = 3,630,118,631.94
  5. Step 5: Solve for x
    x = 3,630,118,631.94/62,401.80
  6. Step 6: Final answer
    x = 58,173.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.