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Finding the Fourth Proportional to 52,658.88, 78,992.40 and 17,598.66

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Solution

The fourth proportional to 52,658.88, 78,992.40 and 17,598.66 is: 26,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,658.88 : 78,992.40 = 17,598.66 : x
  2. Step 2: Convert to fraction form
    52,658.88/78,992.40 = 17,598.66/x
  3. Step 3: Cross multiply
    52,658.88x = 78,992.40 × 17,598.66
  4. Step 4: Simplify right side
    52,658.88x = 1,390,160,390.18
  5. Step 5: Solve for x
    x = 1,390,160,390.18/52,658.88
  6. Step 6: Final answer
    x = 26,399.35

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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.