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Finding the Fourth Proportional to 7,506.60, 11,235.60 and 5,319.60

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Solution

The fourth proportional to 7,506.60, 11,235.60 and 5,319.60 is: 7,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.60 : 11,235.60 = 5,319.60 : x
  2. Step 2: Convert to fraction form
    7,506.60/11,235.60 = 5,319.60/x
  3. Step 3: Cross multiply
    7,506.60x = 11,235.60 × 5,319.60
  4. Step 4: Simplify right side
    7,506.60x = 59,768,897.76
  5. Step 5: Solve for x
    x = 59,768,897.76/7,506.60
  6. Step 6: Final answer
    x = 7,962.18

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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.