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Finding the Fourth Proportional to 8,567.99, 11,818.90 and 5,030.52

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Solution

The fourth proportional to 8,567.99, 11,818.90 and 5,030.52 is: 6,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.99 : 11,818.90 = 5,030.52 : x
  2. Step 2: Convert to fraction form
    8,567.99/11,818.90 = 5,030.52/x
  3. Step 3: Cross multiply
    8,567.99x = 11,818.90 × 5,030.52
  4. Step 4: Simplify right side
    8,567.99x = 59,455,146.50
  5. Step 5: Solve for x
    x = 59,455,146.50/8,567.99
  6. Step 6: Final answer
    x = 6,939.22

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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.