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Finding the Fourth Proportional to 8,699.94, 12,037.56 and 7,583.22

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Solution

The fourth proportional to 8,699.94, 12,037.56 and 7,583.22 is: 10,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.94 : 12,037.56 = 7,583.22 : x
  2. Step 2: Convert to fraction form
    8,699.94/12,037.56 = 7,583.22/x
  3. Step 3: Cross multiply
    8,699.94x = 12,037.56 × 7,583.22
  4. Step 4: Simplify right side
    8,699.94x = 91,283,465.74
  5. Step 5: Solve for x
    x = 91,283,465.74/8,699.94
  6. Step 6: Final answer
    x = 10,492.42

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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.