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Finding the Fourth Proportional to 56,795.16, 85,192.02 and 19,345.08

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Solution

The fourth proportional to 56,795.16, 85,192.02 and 19,345.08 is: 29,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795.16 : 85,192.02 = 19,345.08 : x
  2. Step 2: Convert to fraction form
    56,795.16/85,192.02 = 19,345.08/x
  3. Step 3: Cross multiply
    56,795.16x = 85,192.02 × 19,345.08
  4. Step 4: Simplify right side
    56,795.16x = 1,648,046,442.26
  5. Step 5: Solve for x
    x = 1,648,046,442.26/56,795.16
  6. Step 6: Final answer
    x = 29,017.37

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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.