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Finding the Fourth Proportional to 58,438.98, 87,658.48 and 14,065.73

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Solution

The fourth proportional to 58,438.98, 87,658.48 and 14,065.73 is: 21,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.98 : 87,658.48 = 14,065.73 : x
  2. Step 2: Convert to fraction form
    58,438.98/87,658.48 = 14,065.73/x
  3. Step 3: Cross multiply
    58,438.98x = 87,658.48 × 14,065.73
  4. Step 4: Simplify right side
    58,438.98x = 1,232,980,511.89
  5. Step 5: Solve for x
    x = 1,232,980,511.89/58,438.98
  6. Step 6: Final answer
    x = 21,098.60

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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.