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Finding the Fourth Proportional to 60,803.70, 84,928.35 and 60,803.70

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Solution

The fourth proportional to 60,803.70, 84,928.35 and 60,803.70 is: 84,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,803.70 : 84,928.35 = 60,803.70 : x
  2. Step 2: Convert to fraction form
    60,803.70/84,928.35 = 60,803.70/x
  3. Step 3: Cross multiply
    60,803.70x = 84,928.35 × 60,803.70
  4. Step 4: Simplify right side
    60,803.70x = 5,163,957,914.90
  5. Step 5: Solve for x
    x = 5,163,957,914.90/60,803.70
  6. Step 6: Final answer
    x = 84,928.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.