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Finding the Fourth Proportional to 46,348, 69,347.04 and 28,735.36

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Solution

The fourth proportional to 46,348, 69,347.04 and 28,735.36 is: 42,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,348 : 69,347.04 = 28,735.36 : x
  2. Step 2: Convert to fraction form
    46,348/69,347.04 = 28,735.36/x
  3. Step 3: Cross multiply
    46,348x = 69,347.04 × 28,735.36
  4. Step 4: Simplify right side
    46,348x = 1,992,712,159.33
  5. Step 5: Solve for x
    x = 1,992,712,159.33/46,348
  6. Step 6: Final answer
    x = 42,994.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.