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Finding the Fourth Proportional to 34,036.38, 46,970.25 and 18,929.04

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Solution

The fourth proportional to 34,036.38, 46,970.25 and 18,929.04 is: 26,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,036.38 : 46,970.25 = 18,929.04 : x
  2. Step 2: Convert to fraction form
    34,036.38/46,970.25 = 18,929.04/x
  3. Step 3: Cross multiply
    34,036.38x = 46,970.25 × 18,929.04
  4. Step 4: Simplify right side
    34,036.38x = 889,101,741.06
  5. Step 5: Solve for x
    x = 889,101,741.06/34,036.38
  6. Step 6: Final answer
    x = 26,122.10

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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.