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Finding the Fourth Proportional to 34,810.92, 48,038.90 and 18,894.44

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Solution

The fourth proportional to 34,810.92, 48,038.90 and 18,894.44 is: 26,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,810.92 : 48,038.90 = 18,894.44 : x
  2. Step 2: Convert to fraction form
    34,810.92/48,038.90 = 18,894.44/x
  3. Step 3: Cross multiply
    34,810.92x = 48,038.90 × 18,894.44
  4. Step 4: Simplify right side
    34,810.92x = 907,668,113.72
  5. Step 5: Solve for x
    x = 907,668,113.72/34,810.92
  6. Step 6: Final answer
    x = 26,074.24

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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.