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Finding the Fourth Proportional to 11,030.94, 16,533.45 and 8,542.62

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Solution

The fourth proportional to 11,030.94, 16,533.45 and 8,542.62 is: 12,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.94 : 16,533.45 = 8,542.62 : x
  2. Step 2: Convert to fraction form
    11,030.94/16,533.45 = 8,542.62/x
  3. Step 3: Cross multiply
    11,030.94x = 16,533.45 × 8,542.62
  4. Step 4: Simplify right side
    11,030.94x = 141,238,980.64
  5. Step 5: Solve for x
    x = 141,238,980.64/11,030.94
  6. Step 6: Final answer
    x = 12,803.89

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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.