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Finding the Fourth Proportional to 58,240.80, 87,285.60 and 27,009.60

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Solution

The fourth proportional to 58,240.80, 87,285.60 and 27,009.60 is: 40,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,240.80 : 87,285.60 = 27,009.60 : x
  2. Step 2: Convert to fraction form
    58,240.80/87,285.60 = 27,009.60/x
  3. Step 3: Cross multiply
    58,240.80x = 87,285.60 × 27,009.60
  4. Step 4: Simplify right side
    58,240.80x = 2,357,549,141.76
  5. Step 5: Solve for x
    x = 2,357,549,141.76/58,240.80
  6. Step 6: Final answer
    x = 40,479.34

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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.