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Finding the Fourth Proportional to 18,004.64, 24,846.47 and 10,047.20

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Solution

The fourth proportional to 18,004.64, 24,846.47 and 10,047.20 is: 13,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.64 : 24,846.47 = 10,047.20 : x
  2. Step 2: Convert to fraction form
    18,004.64/24,846.47 = 10,047.20/x
  3. Step 3: Cross multiply
    18,004.64x = 24,846.47 × 10,047.20
  4. Step 4: Simplify right side
    18,004.64x = 249,637,278.92
  5. Step 5: Solve for x
    x = 249,637,278.92/18,004.64
  6. Step 6: Final answer
    x = 13,865.17

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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.