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Finding the Fourth Proportional to 7,605.48, 10,495.64 and 4,248.42

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Solution

The fourth proportional to 7,605.48, 10,495.64 and 4,248.42 is: 5,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.48 : 10,495.64 = 4,248.42 : x
  2. Step 2: Convert to fraction form
    7,605.48/10,495.64 = 4,248.42/x
  3. Step 3: Cross multiply
    7,605.48x = 10,495.64 × 4,248.42
  4. Step 4: Simplify right side
    7,605.48x = 44,589,886.89
  5. Step 5: Solve for x
    x = 44,589,886.89/7,605.48
  6. Step 6: Final answer
    x = 5,862.86

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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.