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Finding the Fourth Proportional to 23,670.90, 32,890.05 and 23,424.12

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Solution

The fourth proportional to 23,670.90, 32,890.05 and 23,424.12 is: 32,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,670.90 : 32,890.05 = 23,424.12 : x
  2. Step 2: Convert to fraction form
    23,670.90/32,890.05 = 23,424.12/x
  3. Step 3: Cross multiply
    23,670.90x = 32,890.05 × 23,424.12
  4. Step 4: Simplify right side
    23,670.90x = 770,420,478.01
  5. Step 5: Solve for x
    x = 770,420,478.01/23,670.90
  6. Step 6: Final answer
    x = 32,547.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.