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Finding the Fourth Proportional to 35,291.58, 48,702.47 and 19,377.06

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Solution

The fourth proportional to 35,291.58, 48,702.47 and 19,377.06 is: 26,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,291.58 : 48,702.47 = 19,377.06 : x
  2. Step 2: Convert to fraction form
    35,291.58/48,702.47 = 19,377.06/x
  3. Step 3: Cross multiply
    35,291.58x = 48,702.47 × 19,377.06
  4. Step 4: Simplify right side
    35,291.58x = 943,710,403.82
  5. Step 5: Solve for x
    x = 943,710,403.82/35,291.58
  6. Step 6: Final answer
    x = 26,740.38

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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.