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Finding the Fourth Proportional to 4,973.94, 7,460.91 and 1,689.39

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Solution

The fourth proportional to 4,973.94, 7,460.91 and 1,689.39 is: 2,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.94 : 7,460.91 = 1,689.39 : x
  2. Step 2: Convert to fraction form
    4,973.94/7,460.91 = 1,689.39/x
  3. Step 3: Cross multiply
    4,973.94x = 7,460.91 × 1,689.39
  4. Step 4: Simplify right side
    4,973.94x = 12,604,386.74
  5. Step 5: Solve for x
    x = 12,604,386.74/4,973.94
  6. Step 6: Final answer
    x = 2,534.09

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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.