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Finding the Fourth Proportional to 56,458.72, 84,688.08 and 14,906.08

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Solution

The fourth proportional to 56,458.72, 84,688.08 and 14,906.08 is: 22,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.72 : 84,688.08 = 14,906.08 : x
  2. Step 2: Convert to fraction form
    56,458.72/84,688.08 = 14,906.08/x
  3. Step 3: Cross multiply
    56,458.72x = 84,688.08 × 14,906.08
  4. Step 4: Simplify right side
    56,458.72x = 1,262,367,295.53
  5. Step 5: Solve for x
    x = 1,262,367,295.53/56,458.72
  6. Step 6: Final answer
    x = 22,359.12

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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.