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Finding the Fourth Proportional to 5,557.62, 7,669.71 and 3,461.34

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Solution

The fourth proportional to 5,557.62, 7,669.71 and 3,461.34 is: 4,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.62 : 7,669.71 = 3,461.34 : x
  2. Step 2: Convert to fraction form
    5,557.62/7,669.71 = 3,461.34/x
  3. Step 3: Cross multiply
    5,557.62x = 7,669.71 × 3,461.34
  4. Step 4: Simplify right side
    5,557.62x = 26,547,474.01
  5. Step 5: Solve for x
    x = 26,547,474.01/5,557.62
  6. Step 6: Final answer
    x = 4,776.77

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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.