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Finding the Fourth Proportional to 23,001.84, 34,502.76 and 7,420.68

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Solution

The fourth proportional to 23,001.84, 34,502.76 and 7,420.68 is: 11,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.84 : 34,502.76 = 7,420.68 : x
  2. Step 2: Convert to fraction form
    23,001.84/34,502.76 = 7,420.68/x
  3. Step 3: Cross multiply
    23,001.84x = 34,502.76 × 7,420.68
  4. Step 4: Simplify right side
    23,001.84x = 256,033,941.08
  5. Step 5: Solve for x
    x = 256,033,941.08/23,001.84
  6. Step 6: Final answer
    x = 11,131.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.