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Finding the Fourth Proportional to 15,697.88, 23,547.23 and 6,932.87

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Solution

The fourth proportional to 15,697.88, 23,547.23 and 6,932.87 is: 10,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.88 : 23,547.23 = 6,932.87 : x
  2. Step 2: Convert to fraction form
    15,697.88/23,547.23 = 6,932.87/x
  3. Step 3: Cross multiply
    15,697.88x = 23,547.23 × 6,932.87
  4. Step 4: Simplify right side
    15,697.88x = 163,249,884.45
  5. Step 5: Solve for x
    x = 163,249,884.45/15,697.88
  6. Step 6: Final answer
    x = 10,399.49

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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.