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Finding the Fourth Proportional to 58,036.80, 87,000.12 and 18,573.60

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Solution

The fourth proportional to 58,036.80, 87,000.12 and 18,573.60 is: 27,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,036.80 : 87,000.12 = 18,573.60 : x
  2. Step 2: Convert to fraction form
    58,036.80/87,000.12 = 18,573.60/x
  3. Step 3: Cross multiply
    58,036.80x = 87,000.12 × 18,573.60
  4. Step 4: Simplify right side
    58,036.80x = 1,615,905,428.83
  5. Step 5: Solve for x
    x = 1,615,905,428.83/58,036.80
  6. Step 6: Final answer
    x = 27,842.77

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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.