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Finding the Fourth Proportional to 58,653.52, 87,980.34 and 14,279.92

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Solution

The fourth proportional to 58,653.52, 87,980.34 and 14,279.92 is: 21,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,653.52 : 87,980.34 = 14,279.92 : x
  2. Step 2: Convert to fraction form
    58,653.52/87,980.34 = 14,279.92/x
  3. Step 3: Cross multiply
    58,653.52x = 87,980.34 × 14,279.92
  4. Step 4: Simplify right side
    58,653.52x = 1,256,352,216.77
  5. Step 5: Solve for x
    x = 1,256,352,216.77/58,653.52
  6. Step 6: Final answer
    x = 21,419.89

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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.