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Finding the Fourth Proportional to 58,653.74, 87,979.86 and 14,280.54

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Solution

The fourth proportional to 58,653.74, 87,979.86 and 14,280.54 is: 21,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,653.74 : 87,979.86 = 14,280.54 : x
  2. Step 2: Convert to fraction form
    58,653.74/87,979.86 = 14,280.54/x
  3. Step 3: Cross multiply
    58,653.74x = 87,979.86 × 14,280.54
  4. Step 4: Simplify right side
    58,653.74x = 1,256,399,909.92
  5. Step 5: Solve for x
    x = 1,256,399,909.92/58,653.74
  6. Step 6: Final answer
    x = 21,420.63

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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.