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Finding the Fourth Proportional to 58,345.60, 87,417.60 and 27,116.80

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Solution

The fourth proportional to 58,345.60, 87,417.60 and 27,116.80 is: 40,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,345.60 : 87,417.60 = 27,116.80 : x
  2. Step 2: Convert to fraction form
    58,345.60/87,417.60 = 27,116.80/x
  3. Step 3: Cross multiply
    58,345.60x = 87,417.60 × 27,116.80
  4. Step 4: Simplify right side
    58,345.60x = 2,370,485,575.68
  5. Step 5: Solve for x
    x = 2,370,485,575.68/58,345.60
  6. Step 6: Final answer
    x = 40,628.35

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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.