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Finding the Fourth Proportional to 7,287.92, 10,924.95 and 4,648.02

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Solution

The fourth proportional to 7,287.92, 10,924.95 and 4,648.02 is: 6,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.92 : 10,924.95 = 4,648.02 : x
  2. Step 2: Convert to fraction form
    7,287.92/10,924.95 = 4,648.02/x
  3. Step 3: Cross multiply
    7,287.92x = 10,924.95 × 4,648.02
  4. Step 4: Simplify right side
    7,287.92x = 50,779,386.10
  5. Step 5: Solve for x
    x = 50,779,386.10/7,287.92
  6. Step 6: Final answer
    x = 6,967.61

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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.