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Finding the Fourth Proportional to 35,347.56, 48,774.92 and 21,913.92

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Solution

The fourth proportional to 35,347.56, 48,774.92 and 21,913.92 is: 30,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.56 : 48,774.92 = 21,913.92 : x
  2. Step 2: Convert to fraction form
    35,347.56/48,774.92 = 21,913.92/x
  3. Step 3: Cross multiply
    35,347.56x = 48,774.92 × 21,913.92
  4. Step 4: Simplify right side
    35,347.56x = 1,068,849,585.32
  5. Step 5: Solve for x
    x = 1,068,849,585.32/35,347.56
  6. Step 6: Final answer
    x = 30,238.28

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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.