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Finding the Fourth Proportional to 56,473.53, 84,705.70 and 19,032.79

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Solution

The fourth proportional to 56,473.53, 84,705.70 and 19,032.79 is: 28,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.53 : 84,705.70 = 19,032.79 : x
  2. Step 2: Convert to fraction form
    56,473.53/84,705.70 = 19,032.79/x
  3. Step 3: Cross multiply
    56,473.53x = 84,705.70 × 19,032.79
  4. Step 4: Simplify right side
    56,473.53x = 1,612,185,799.90
  5. Step 5: Solve for x
    x = 1,612,185,799.90/56,473.53
  6. Step 6: Final answer
    x = 28,547.64

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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.