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Finding the Fourth Proportional to 7,085.92, 10,623.60 and 4,888.48

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Solution

The fourth proportional to 7,085.92, 10,623.60 and 4,888.48 is: 7,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.92 : 10,623.60 = 4,888.48 : x
  2. Step 2: Convert to fraction form
    7,085.92/10,623.60 = 4,888.48/x
  3. Step 3: Cross multiply
    7,085.92x = 10,623.60 × 4,888.48
  4. Step 4: Simplify right side
    7,085.92x = 51,933,256.13
  5. Step 5: Solve for x
    x = 51,933,256.13/7,085.92
  6. Step 6: Final answer
    x = 7,329.08

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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.