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Finding the Fourth Proportional to 11,925.78, 17,888.94 and 4,533.72

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Solution

The fourth proportional to 11,925.78, 17,888.94 and 4,533.72 is: 6,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.78 : 17,888.94 = 4,533.72 : x
  2. Step 2: Convert to fraction form
    11,925.78/17,888.94 = 4,533.72/x
  3. Step 3: Cross multiply
    11,925.78x = 17,888.94 × 4,533.72
  4. Step 4: Simplify right side
    11,925.78x = 81,103,445.06
  5. Step 5: Solve for x
    x = 81,103,445.06/11,925.78
  6. Step 6: Final answer
    x = 6,800.68

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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.