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Finding the Fourth Proportional to 58,979.50, 81,390.50 and 32,122.48

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Solution

The fourth proportional to 58,979.50, 81,390.50 and 32,122.48 is: 44,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,979.50 : 81,390.50 = 32,122.48 : x
  2. Step 2: Convert to fraction form
    58,979.50/81,390.50 = 32,122.48/x
  3. Step 3: Cross multiply
    58,979.50x = 81,390.50 × 32,122.48
  4. Step 4: Simplify right side
    58,979.50x = 2,614,464,547.83
  5. Step 5: Solve for x
    x = 2,614,464,547.83/58,979.50
  6. Step 6: Final answer
    x = 44,328.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.