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Finding the Fourth Proportional to 93,832.56, 129,482.28 and 51,390.72

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Solution

The fourth proportional to 93,832.56, 129,482.28 and 51,390.72 is: 70,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,832.56 : 129,482.28 = 51,390.72 : x
  2. Step 2: Convert to fraction form
    93,832.56/129,482.28 = 51,390.72/x
  3. Step 3: Cross multiply
    93,832.56x = 129,482.28 × 51,390.72
  4. Step 4: Simplify right side
    93,832.56x = 6,654,187,596.44
  5. Step 5: Solve for x
    x = 6,654,187,596.44/93,832.56
  6. Step 6: Final answer
    x = 70,915.55

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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.