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Finding the Fourth Proportional to 40,000.80, 59,855.40 and 36,501.60

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Solution

The fourth proportional to 40,000.80, 59,855.40 and 36,501.60 is: 54,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.80 : 59,855.40 = 36,501.60 : x
  2. Step 2: Convert to fraction form
    40,000.80/59,855.40 = 36,501.60/x
  3. Step 3: Cross multiply
    40,000.80x = 59,855.40 × 36,501.60
  4. Step 4: Simplify right side
    40,000.80x = 2,184,817,868.64
  5. Step 5: Solve for x
    x = 2,184,817,868.64/40,000.80
  6. Step 6: Final answer
    x = 54,619.35

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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.