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Finding the Fourth Proportional to 62,472.50, 86,210.40 and 36,980.18

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Solution

The fourth proportional to 62,472.50, 86,210.40 and 36,980.18 is: 51,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.50 : 86,210.40 = 36,980.18 : x
  2. Step 2: Convert to fraction form
    62,472.50/86,210.40 = 36,980.18/x
  3. Step 3: Cross multiply
    62,472.50x = 86,210.40 × 36,980.18
  4. Step 4: Simplify right side
    62,472.50x = 3,188,076,109.87
  5. Step 5: Solve for x
    x = 3,188,076,109.87/62,472.50
  6. Step 6: Final answer
    x = 51,031.67

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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.