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Finding the Fourth Proportional to 6,292.16, 8,685.52 and 5,404.40

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Solution

The fourth proportional to 6,292.16, 8,685.52 and 5,404.40 is: 7,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.16 : 8,685.52 = 5,404.40 : x
  2. Step 2: Convert to fraction form
    6,292.16/8,685.52 = 5,404.40/x
  3. Step 3: Cross multiply
    6,292.16x = 8,685.52 × 5,404.40
  4. Step 4: Simplify right side
    6,292.16x = 46,940,024.29
  5. Step 5: Solve for x
    x = 46,940,024.29/6,292.16
  6. Step 6: Final answer
    x = 7,460.08

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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.