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Finding the Fourth Proportional to 34,810.40, 48,038.19 and 18,894.71

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Solution

The fourth proportional to 34,810.40, 48,038.19 and 18,894.71 is: 26,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,810.40 : 48,038.19 = 18,894.71 : x
  2. Step 2: Convert to fraction form
    34,810.40/48,038.19 = 18,894.71/x
  3. Step 3: Cross multiply
    34,810.40x = 48,038.19 × 18,894.71
  4. Step 4: Simplify right side
    34,810.40x = 907,667,668.97
  5. Step 5: Solve for x
    x = 907,667,668.97/34,810.40
  6. Step 6: Final answer
    x = 26,074.61

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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.