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Finding the Fourth Proportional to 7,588.56, 10,485.08 and 5,459.88

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Solution

The fourth proportional to 7,588.56, 10,485.08 and 5,459.88 is: 7,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.56 : 10,485.08 = 5,459.88 : x
  2. Step 2: Convert to fraction form
    7,588.56/10,485.08 = 5,459.88/x
  3. Step 3: Cross multiply
    7,588.56x = 10,485.08 × 5,459.88
  4. Step 4: Simplify right side
    7,588.56x = 57,247,226.17
  5. Step 5: Solve for x
    x = 57,247,226.17/7,588.56
  6. Step 6: Final answer
    x = 7,543.89

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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.