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Finding the Fourth Proportional to 7,655.71, 10,564.07 and 4,298.89

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Solution

The fourth proportional to 7,655.71, 10,564.07 and 4,298.89 is: 5,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.71 : 10,564.07 = 4,298.89 : x
  2. Step 2: Convert to fraction form
    7,655.71/10,564.07 = 4,298.89/x
  3. Step 3: Cross multiply
    7,655.71x = 10,564.07 × 4,298.89
  4. Step 4: Simplify right side
    7,655.71x = 45,413,753.39
  5. Step 5: Solve for x
    x = 45,413,753.39/7,655.71
  6. Step 6: Final answer
    x = 5,932.01

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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.