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Finding the Fourth Proportional to 16,657.48, 24,985.74 and 4,345.48

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Solution

The fourth proportional to 16,657.48, 24,985.74 and 4,345.48 is: 6,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.48 : 24,985.74 = 4,345.48 : x
  2. Step 2: Convert to fraction form
    16,657.48/24,985.74 = 4,345.48/x
  3. Step 3: Cross multiply
    16,657.48x = 24,985.74 × 4,345.48
  4. Step 4: Simplify right side
    16,657.48x = 108,575,033.46
  5. Step 5: Solve for x
    x = 108,575,033.46/16,657.48
  6. Step 6: Final answer
    x = 6,518.09

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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.