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Finding the Fourth Proportional to 56,231.60, 84,348.30 and 14,678.60

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Solution

The fourth proportional to 56,231.60, 84,348.30 and 14,678.60 is: 22,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,231.60 : 84,348.30 = 14,678.60 : x
  2. Step 2: Convert to fraction form
    56,231.60/84,348.30 = 14,678.60/x
  3. Step 3: Cross multiply
    56,231.60x = 84,348.30 × 14,678.60
  4. Step 4: Simplify right side
    56,231.60x = 1,238,114,956.38
  5. Step 5: Solve for x
    x = 1,238,114,956.38/56,231.60
  6. Step 6: Final answer
    x = 22,018.13

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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.