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Finding the Fourth Proportional to 7,557.00, 10,428.57 and 4,326.39

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Solution

The fourth proportional to 7,557.00, 10,428.57 and 4,326.39 is: 5,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.00 : 10,428.57 = 4,326.39 : x
  2. Step 2: Convert to fraction form
    7,557.00/10,428.57 = 4,326.39/x
  3. Step 3: Cross multiply
    7,557.00x = 10,428.57 × 4,326.39
  4. Step 4: Simplify right side
    7,557.00x = 45,118,043.80
  5. Step 5: Solve for x
    x = 45,118,043.80/7,557.00
  6. Step 6: Final answer
    x = 5,970.37

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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.