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Finding the Fourth Proportional to 34,810.19, 48,038.12 and 18,894.65

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Solution

The fourth proportional to 34,810.19, 48,038.12 and 18,894.65 is: 26,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,810.19 : 48,038.12 = 18,894.65 : x
  2. Step 2: Convert to fraction form
    34,810.19/48,038.12 = 18,894.65/x
  3. Step 3: Cross multiply
    34,810.19x = 48,038.12 × 18,894.65
  4. Step 4: Simplify right side
    34,810.19x = 907,663,129.39
  5. Step 5: Solve for x
    x = 907,663,129.39/34,810.19
  6. Step 6: Final answer
    x = 26,074.64

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