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Finding the Fourth Proportional to 49,950.50, 74,925.75 and 13,014.50

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Solution

The fourth proportional to 49,950.50, 74,925.75 and 13,014.50 is: 19,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,950.50 : 74,925.75 = 13,014.50 : x
  2. Step 2: Convert to fraction form
    49,950.50/74,925.75 = 13,014.50/x
  3. Step 3: Cross multiply
    49,950.50x = 74,925.75 × 13,014.50
  4. Step 4: Simplify right side
    49,950.50x = 975,121,173.38
  5. Step 5: Solve for x
    x = 975,121,173.38/49,950.50
  6. Step 6: Final answer
    x = 19,521.75

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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.