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Finding the Fourth Proportional to 58,284.48, 80,432.69 and 34,412.68

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Solution

The fourth proportional to 58,284.48, 80,432.69 and 34,412.68 is: 47,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,284.48 : 80,432.69 = 34,412.68 : x
  2. Step 2: Convert to fraction form
    58,284.48/80,432.69 = 34,412.68/x
  3. Step 3: Cross multiply
    58,284.48x = 80,432.69 × 34,412.68
  4. Step 4: Simplify right side
    58,284.48x = 2,767,904,422.51
  5. Step 5: Solve for x
    x = 2,767,904,422.51/58,284.48
  6. Step 6: Final answer
    x = 47,489.56

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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.