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Finding the Fourth Proportional to 11,159.01, 16,764.62 and 10,528.52

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Solution

The fourth proportional to 11,159.01, 16,764.62 and 10,528.52 is: 15,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.01 : 16,764.62 = 10,528.52 : x
  2. Step 2: Convert to fraction form
    11,159.01/16,764.62 = 10,528.52/x
  3. Step 3: Cross multiply
    11,159.01x = 16,764.62 × 10,528.52
  4. Step 4: Simplify right side
    11,159.01x = 176,506,500.50
  5. Step 5: Solve for x
    x = 176,506,500.50/11,159.01
  6. Step 6: Final answer
    x = 15,817.40

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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.