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Finding the Fourth Proportional to 34,815.94, 48,045.48 and 19,711.48

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Solution

The fourth proportional to 34,815.94, 48,045.48 and 19,711.48 is: 27,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.94 : 48,045.48 = 19,711.48 : x
  2. Step 2: Convert to fraction form
    34,815.94/48,045.48 = 19,711.48/x
  3. Step 3: Cross multiply
    34,815.94x = 48,045.48 × 19,711.48
  4. Step 4: Simplify right side
    34,815.94x = 947,047,518.11
  5. Step 5: Solve for x
    x = 947,047,518.11/34,815.94
  6. Step 6: Final answer
    x = 27,201.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.