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Finding the Fourth Proportional to 58,485.58, 87,658.81 and 26,868.85

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Solution

The fourth proportional to 58,485.58, 87,658.81 and 26,868.85 is: 40,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,485.58 : 87,658.81 = 26,868.85 : x
  2. Step 2: Convert to fraction form
    58,485.58/87,658.81 = 26,868.85/x
  3. Step 3: Cross multiply
    58,485.58x = 87,658.81 × 26,868.85
  4. Step 4: Simplify right side
    58,485.58x = 2,355,291,130.75
  5. Step 5: Solve for x
    x = 2,355,291,130.75/58,485.58
  6. Step 6: Final answer
    x = 40,271.32

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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.