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Finding the Fourth Proportional to 18,038.04, 24,888.24 and 10,964.04

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Solution

The fourth proportional to 18,038.04, 24,888.24 and 10,964.04 is: 15,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.04 : 24,888.24 = 10,964.04 : x
  2. Step 2: Convert to fraction form
    18,038.04/24,888.24 = 10,964.04/x
  3. Step 3: Cross multiply
    18,038.04x = 24,888.24 × 10,964.04
  4. Step 4: Simplify right side
    18,038.04x = 272,875,658.89
  5. Step 5: Solve for x
    x = 272,875,658.89/18,038.04
  6. Step 6: Final answer
    x = 15,127.79

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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.