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Finding the Fourth Proportional to 7,290.62, 10,064.48 and 5,699.58

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Solution

The fourth proportional to 7,290.62, 10,064.48 and 5,699.58 is: 7,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.62 : 10,064.48 = 5,699.58 : x
  2. Step 2: Convert to fraction form
    7,290.62/10,064.48 = 5,699.58/x
  3. Step 3: Cross multiply
    7,290.62x = 10,064.48 × 5,699.58
  4. Step 4: Simplify right side
    7,290.62x = 57,363,308.92
  5. Step 5: Solve for x
    x = 57,363,308.92/7,290.62
  6. Step 6: Final answer
    x = 7,868.10

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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.