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Finding the Fourth Proportional to 65,944.40, 98,801.40 and 56,728.40

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Solution

The fourth proportional to 65,944.40, 98,801.40 and 56,728.40 is: 84,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,944.40 : 98,801.40 = 56,728.40 : x
  2. Step 2: Convert to fraction form
    65,944.40/98,801.40 = 56,728.40/x
  3. Step 3: Cross multiply
    65,944.40x = 98,801.40 × 56,728.40
  4. Step 4: Simplify right side
    65,944.40x = 5,604,845,339.76
  5. Step 5: Solve for x
    x = 5,604,845,339.76/65,944.40
  6. Step 6: Final answer
    x = 84,993.50

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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.