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Finding the Fourth Proportional to 4,973.61, 7,460.38 and 1,853.51

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Solution

The fourth proportional to 4,973.61, 7,460.38 and 1,853.51 is: 2,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.61 : 7,460.38 = 1,853.51 : x
  2. Step 2: Convert to fraction form
    4,973.61/7,460.38 = 1,853.51/x
  3. Step 3: Cross multiply
    4,973.61x = 7,460.38 × 1,853.51
  4. Step 4: Simplify right side
    4,973.61x = 13,827,879.67
  5. Step 5: Solve for x
    x = 13,827,879.67/4,973.61
  6. Step 6: Final answer
    x = 2,780.25

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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.