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Finding the Fourth Proportional to 60,598.72, 90,912.80 and 19,045.72

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Solution

The fourth proportional to 60,598.72, 90,912.80 and 19,045.72 is: 28,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,598.72 : 90,912.80 = 19,045.72 : x
  2. Step 2: Convert to fraction form
    60,598.72/90,912.80 = 19,045.72/x
  3. Step 3: Cross multiply
    60,598.72x = 90,912.80 × 19,045.72
  4. Step 4: Simplify right side
    60,598.72x = 1,731,499,733.22
  5. Step 5: Solve for x
    x = 1,731,499,733.22/60,598.72
  6. Step 6: Final answer
    x = 28,573.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.