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Finding the Fourth Proportional to 11,534.76, 15,907.50 and 8,558.10

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Solution

The fourth proportional to 11,534.76, 15,907.50 and 8,558.10 is: 11,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,534.76 : 15,907.50 = 8,558.10 : x
  2. Step 2: Convert to fraction form
    11,534.76/15,907.50 = 8,558.10/x
  3. Step 3: Cross multiply
    11,534.76x = 15,907.50 × 8,558.10
  4. Step 4: Simplify right side
    11,534.76x = 136,137,975.75
  5. Step 5: Solve for x
    x = 136,137,975.75/11,534.76
  6. Step 6: Final answer
    x = 11,802.41

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.