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Finding the Fourth Proportional to 60,496.32, 90,800.64 and 30,935.28

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Solution

The fourth proportional to 60,496.32, 90,800.64 and 30,935.28 is: 46,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,496.32 : 90,800.64 = 30,935.28 : x
  2. Step 2: Convert to fraction form
    60,496.32/90,800.64 = 30,935.28/x
  3. Step 3: Cross multiply
    60,496.32x = 90,800.64 × 30,935.28
  4. Step 4: Simplify right side
    60,496.32x = 2,808,943,222.58
  5. Step 5: Solve for x
    x = 2,808,943,222.58/60,496.32
  6. Step 6: Final answer
    x = 46,431.64

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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.