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Finding the Fourth Proportional to 8,952.55, 12,354.54 and 4,973.56

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Solution

The fourth proportional to 8,952.55, 12,354.54 and 4,973.56 is: 6,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.55 : 12,354.54 = 4,973.56 : x
  2. Step 2: Convert to fraction form
    8,952.55/12,354.54 = 4,973.56/x
  3. Step 3: Cross multiply
    8,952.55x = 12,354.54 × 4,973.56
  4. Step 4: Simplify right side
    8,952.55x = 61,446,045.96
  5. Step 5: Solve for x
    x = 61,446,045.96/8,952.55
  6. Step 6: Final answer
    x = 6,863.52

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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.