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Finding the Fourth Proportional to 8,058.71, 12,076.71 and 6,407.93

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Solution

The fourth proportional to 8,058.71, 12,076.71 and 6,407.93 is: 9,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.71 : 12,076.71 = 6,407.93 : x
  2. Step 2: Convert to fraction form
    8,058.71/12,076.71 = 6,407.93/x
  3. Step 3: Cross multiply
    8,058.71x = 12,076.71 × 6,407.93
  4. Step 4: Simplify right side
    8,058.71x = 77,386,651.93
  5. Step 5: Solve for x
    x = 77,386,651.93/8,058.71
  6. Step 6: Final answer
    x = 9,602.86

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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.