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Finding the Fourth Proportional to 21,599.68, 32,352.64 and 10,483.01

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Solution

The fourth proportional to 21,599.68, 32,352.64 and 10,483.01 is: 15,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.68 : 32,352.64 = 10,483.01 : x
  2. Step 2: Convert to fraction form
    21,599.68/32,352.64 = 10,483.01/x
  3. Step 3: Cross multiply
    21,599.68x = 32,352.64 × 10,483.01
  4. Step 4: Simplify right side
    21,599.68x = 339,152,834.47
  5. Step 5: Solve for x
    x = 339,152,834.47/21,599.68
  6. Step 6: Final answer
    x = 15,701.75

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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.