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Finding the Fourth Proportional to 7,957.52, 10,978.90 and 4,599.10

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Solution

The fourth proportional to 7,957.52, 10,978.90 and 4,599.10 is: 6,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.52 : 10,978.90 = 4,599.10 : x
  2. Step 2: Convert to fraction form
    7,957.52/10,978.90 = 4,599.10/x
  3. Step 3: Cross multiply
    7,957.52x = 10,978.90 × 4,599.10
  4. Step 4: Simplify right side
    7,957.52x = 50,493,058.99
  5. Step 5: Solve for x
    x = 50,493,058.99/7,957.52
  6. Step 6: Final answer
    x = 6,345.33

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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.