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Finding the Fourth Proportional to 55,377.55, 83,074.55 and 17,925.07

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Solution

The fourth proportional to 55,377.55, 83,074.55 and 17,925.07 is: 26,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.55 : 83,074.55 = 17,925.07 : x
  2. Step 2: Convert to fraction form
    55,377.55/83,074.55 = 17,925.07/x
  3. Step 3: Cross multiply
    55,377.55x = 83,074.55 × 17,925.07
  4. Step 4: Simplify right side
    55,377.55x = 1,489,117,123.97
  5. Step 5: Solve for x
    x = 1,489,117,123.97/55,377.55
  6. Step 6: Final answer
    x = 26,890.27

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1.5x scale

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.