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Finding the Fourth Proportional to 56,364.79, 84,548.55 and 18,926.09

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Solution

The fourth proportional to 56,364.79, 84,548.55 and 18,926.09 is: 28,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,364.79 : 84,548.55 = 18,926.09 : x
  2. Step 2: Convert to fraction form
    56,364.79/84,548.55 = 18,926.09/x
  3. Step 3: Cross multiply
    56,364.79x = 84,548.55 × 18,926.09
  4. Step 4: Simplify right side
    56,364.79x = 1,600,173,043.93
  5. Step 5: Solve for x
    x = 1,600,173,043.93/56,364.79
  6. Step 6: Final answer
    x = 28,389.59

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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.