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Finding the Fourth Proportional to 18,325.53, 25,287.53 and 10,368.36

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Solution

The fourth proportional to 18,325.53, 25,287.53 and 10,368.36 is: 14,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.53 : 25,287.53 = 10,368.36 : x
  2. Step 2: Convert to fraction form
    18,325.53/25,287.53 = 10,368.36/x
  3. Step 3: Cross multiply
    18,325.53x = 25,287.53 × 10,368.36
  4. Step 4: Simplify right side
    18,325.53x = 262,190,162.71
  5. Step 5: Solve for x
    x = 262,190,162.71/18,325.53
  6. Step 6: Final answer
    x = 14,307.37

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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.