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Finding the Fourth Proportional to 65,737.70, 98,606.55 and 18,352.70

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Solution

The fourth proportional to 65,737.70, 98,606.55 and 18,352.70 is: 27,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,737.70 : 98,606.55 = 18,352.70 : x
  2. Step 2: Convert to fraction form
    65,737.70/98,606.55 = 18,352.70/x
  3. Step 3: Cross multiply
    65,737.70x = 98,606.55 × 18,352.70
  4. Step 4: Simplify right side
    65,737.70x = 1,809,696,430.19
  5. Step 5: Solve for x
    x = 1,809,696,430.19/65,737.70
  6. Step 6: Final answer
    x = 27,529.05

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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.