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Finding the Fourth Proportional to 7,423, 10,244.06 and 4,111

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Solution

The fourth proportional to 7,423, 10,244.06 and 4,111 is: 5,673.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423 : 10,244.06 = 4,111 : x
  2. Step 2: Convert to fraction form
    7,423/10,244.06 = 4,111/x
  3. Step 3: Cross multiply
    7,423x = 10,244.06 × 4,111
  4. Step 4: Simplify right side
    7,423x = 42,113,330.66
  5. Step 5: Solve for x
    x = 42,113,330.66/7,423
  6. Step 6: Final answer
    x = 5,673.36

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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.