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Finding the Fourth Proportional to 9,058.52, 12,521.67 and 7,557.68

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Solution

The fourth proportional to 9,058.52, 12,521.67 and 7,557.68 is: 10,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.52 : 12,521.67 = 7,557.68 : x
  2. Step 2: Convert to fraction form
    9,058.52/12,521.67 = 7,557.68/x
  3. Step 3: Cross multiply
    9,058.52x = 12,521.67 × 7,557.68
  4. Step 4: Simplify right side
    9,058.52x = 94,634,774.93
  5. Step 5: Solve for x
    x = 94,634,774.93/9,058.52
  6. Step 6: Final answer
    x = 10,447.05

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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.