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Finding the Fourth Proportional to 34,993.95, 48,291.62 and 19,078.40

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Solution

The fourth proportional to 34,993.95, 48,291.62 and 19,078.40 is: 26,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.95 : 48,291.62 = 19,078.40 : x
  2. Step 2: Convert to fraction form
    34,993.95/48,291.62 = 19,078.40/x
  3. Step 3: Cross multiply
    34,993.95x = 48,291.62 × 19,078.40
  4. Step 4: Simplify right side
    34,993.95x = 921,326,506.16
  5. Step 5: Solve for x
    x = 921,326,506.16/34,993.95
  6. Step 6: Final answer
    x = 26,328.17

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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.