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Finding the Fourth Proportional to 18,035.81, 24,888.93 and 10,078.10

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Solution

The fourth proportional to 18,035.81, 24,888.93 and 10,078.10 is: 13,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.81 : 24,888.93 = 10,078.10 : x
  2. Step 2: Convert to fraction form
    18,035.81/24,888.93 = 10,078.10/x
  3. Step 3: Cross multiply
    18,035.81x = 24,888.93 × 10,078.10
  4. Step 4: Simplify right side
    18,035.81x = 250,833,000.99
  5. Step 5: Solve for x
    x = 250,833,000.99/18,035.81
  6. Step 6: Final answer
    x = 13,907.50

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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.