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Finding the Fourth Proportional to 4,482.57, 6,689.95 and 4,365.93

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Solution

The fourth proportional to 4,482.57, 6,689.95 and 4,365.93 is: 6,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.57 : 6,689.95 = 4,365.93 : x
  2. Step 2: Convert to fraction form
    4,482.57/6,689.95 = 4,365.93/x
  3. Step 3: Cross multiply
    4,482.57x = 6,689.95 × 4,365.93
  4. Step 4: Simplify right side
    4,482.57x = 29,207,853.40
  5. Step 5: Solve for x
    x = 29,207,853.40/4,482.57
  6. Step 6: Final answer
    x = 6,515.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.