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Finding the Fourth Proportional to 58,889.96, 88,655.30 and 53,658.63

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Solution

The fourth proportional to 58,889.96, 88,655.30 and 53,658.63 is: 80,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,889.96 : 88,655.30 = 53,658.63 : x
  2. Step 2: Convert to fraction form
    58,889.96/88,655.30 = 53,658.63/x
  3. Step 3: Cross multiply
    58,889.96x = 88,655.30 × 53,658.63
  4. Step 4: Simplify right side
    58,889.96x = 4,757,121,940.24
  5. Step 5: Solve for x
    x = 4,757,121,940.24/58,889.96
  6. Step 6: Final answer
    x = 80,779.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.