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Finding the Fourth Proportional to 49,950.56, 74,925.56 and 20,368.28

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Solution

The fourth proportional to 49,950.56, 74,925.56 and 20,368.28 is: 30,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,950.56 : 74,925.56 = 20,368.28 : x
  2. Step 2: Convert to fraction form
    49,950.56/74,925.56 = 20,368.28/x
  3. Step 3: Cross multiply
    49,950.56x = 74,925.56 × 20,368.28
  4. Step 4: Simplify right side
    49,950.56x = 1,526,104,785.24
  5. Step 5: Solve for x
    x = 1,526,104,785.24/49,950.56
  6. Step 6: Final answer
    x = 30,552.31

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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.