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Finding the Fourth Proportional to 7,495.20, 11,242.80 and 6,037.20

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Solution

The fourth proportional to 7,495.20, 11,242.80 and 6,037.20 is: 9,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.20 : 11,242.80 = 6,037.20 : x
  2. Step 2: Convert to fraction form
    7,495.20/11,242.80 = 6,037.20/x
  3. Step 3: Cross multiply
    7,495.20x = 11,242.80 × 6,037.20
  4. Step 4: Simplify right side
    7,495.20x = 67,875,032.16
  5. Step 5: Solve for x
    x = 67,875,032.16/7,495.20
  6. Step 6: Final answer
    x = 9,055.80

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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.