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Finding the Fourth Proportional to 42,374.56, 58,476 and 23,511.28

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Solution

The fourth proportional to 42,374.56, 58,476 and 23,511.28 is: 32,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374.56 : 58,476 = 23,511.28 : x
  2. Step 2: Convert to fraction form
    42,374.56/58,476 = 23,511.28/x
  3. Step 3: Cross multiply
    42,374.56x = 58,476 × 23,511.28
  4. Step 4: Simplify right side
    42,374.56x = 1,374,845,609.28
  5. Step 5: Solve for x
    x = 1,374,845,609.28/42,374.56
  6. Step 6: Final answer
    x = 32,445.07

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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.