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Finding the Fourth Proportional to 42,347.52, 58,440.48 and 23,484

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Solution

The fourth proportional to 42,347.52, 58,440.48 and 23,484 is: 32,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347.52 : 58,440.48 = 23,484 : x
  2. Step 2: Convert to fraction form
    42,347.52/58,440.48 = 23,484/x
  3. Step 3: Cross multiply
    42,347.52x = 58,440.48 × 23,484
  4. Step 4: Simplify right side
    42,347.52x = 1,372,416,232.32
  5. Step 5: Solve for x
    x = 1,372,416,232.32/42,347.52
  6. Step 6: Final answer
    x = 32,408.42

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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.