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Finding the Fourth Proportional to 6,465.15, 8,925.98 and 4,474.98

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Solution

The fourth proportional to 6,465.15, 8,925.98 and 4,474.98 is: 6,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.15 : 8,925.98 = 4,474.98 : x
  2. Step 2: Convert to fraction form
    6,465.15/8,925.98 = 4,474.98/x
  3. Step 3: Cross multiply
    6,465.15x = 8,925.98 × 4,474.98
  4. Step 4: Simplify right side
    6,465.15x = 39,943,581.98
  5. Step 5: Solve for x
    x = 39,943,581.98/6,465.15
  6. Step 6: Final answer
    x = 6,178.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.