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Finding the Fourth Proportional to 37,762.80, 52,100.20 and 21,835.98

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Solution

The fourth proportional to 37,762.80, 52,100.20 and 21,835.98 is: 30,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,762.80 : 52,100.20 = 21,835.98 : x
  2. Step 2: Convert to fraction form
    37,762.80/52,100.20 = 21,835.98/x
  3. Step 3: Cross multiply
    37,762.80x = 52,100.20 × 21,835.98
  4. Step 4: Simplify right side
    37,762.80x = 1,137,658,925.20
  5. Step 5: Solve for x
    x = 1,137,658,925.20/37,762.80
  6. Step 6: Final answer
    x = 30,126.45

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1.5x scale

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.