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Finding the Fourth Proportional to 18,005.35, 24,847.35 and 10,047.10

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Solution

The fourth proportional to 18,005.35, 24,847.35 and 10,047.10 is: 13,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.35 : 24,847.35 = 10,047.10 : x
  2. Step 2: Convert to fraction form
    18,005.35/24,847.35 = 10,047.10/x
  3. Step 3: Cross multiply
    18,005.35x = 24,847.35 × 10,047.10
  4. Step 4: Simplify right side
    18,005.35x = 249,643,872.30
  5. Step 5: Solve for x
    x = 249,643,872.30/18,005.35
  6. Step 6: Final answer
    x = 13,864.98

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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.