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Finding the Fourth Proportional to 55,407.48, 83,064.96 and 25,810.08

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Solution

The fourth proportional to 55,407.48, 83,064.96 and 25,810.08 is: 38,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,407.48 : 83,064.96 = 25,810.08 : x
  2. Step 2: Convert to fraction form
    55,407.48/83,064.96 = 25,810.08/x
  3. Step 3: Cross multiply
    55,407.48x = 83,064.96 × 25,810.08
  4. Step 4: Simplify right side
    55,407.48x = 2,143,913,262.80
  5. Step 5: Solve for x
    x = 2,143,913,262.80/55,407.48
  6. Step 6: Final answer
    x = 38,693.57

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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.