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Finding the Fourth Proportional to 5,303.61, 7,955.55 and 1,605.96

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Solution

The fourth proportional to 5,303.61, 7,955.55 and 1,605.96 is: 2,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.61 : 7,955.55 = 1,605.96 : x
  2. Step 2: Convert to fraction form
    5,303.61/7,955.55 = 1,605.96/x
  3. Step 3: Cross multiply
    5,303.61x = 7,955.55 × 1,605.96
  4. Step 4: Simplify right side
    5,303.61x = 12,776,295.08
  5. Step 5: Solve for x
    x = 12,776,295.08/5,303.61
  6. Step 6: Final answer
    x = 2,408.98

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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.