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Finding the Fourth Proportional to 60,809.19, 91,213.79 and 44,274.45

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Solution

The fourth proportional to 60,809.19, 91,213.79 and 44,274.45 is: 66,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,809.19 : 91,213.79 = 44,274.45 : x
  2. Step 2: Convert to fraction form
    60,809.19/91,213.79 = 44,274.45/x
  3. Step 3: Cross multiply
    60,809.19x = 91,213.79 × 44,274.45
  4. Step 4: Simplify right side
    60,809.19x = 4,038,440,210.18
  5. Step 5: Solve for x
    x = 4,038,440,210.18/60,809.19
  6. Step 6: Final answer
    x = 66,411.67

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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.