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Finding the Fourth Proportional to 58,407.84, 80,602.80 and 33,257.28

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Solution

The fourth proportional to 58,407.84, 80,602.80 and 33,257.28 is: 45,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,407.84 : 80,602.80 = 33,257.28 : x
  2. Step 2: Convert to fraction form
    58,407.84/80,602.80 = 33,257.28/x
  3. Step 3: Cross multiply
    58,407.84x = 80,602.80 × 33,257.28
  4. Step 4: Simplify right side
    58,407.84x = 2,680,629,888.38
  5. Step 5: Solve for x
    x = 2,680,629,888.38/58,407.84
  6. Step 6: Final answer
    x = 45,895.04

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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.