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Finding the Fourth Proportional to 58,580.03, 87,778.04 and 45,285.63

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Solution

The fourth proportional to 58,580.03, 87,778.04 and 45,285.63 is: 67,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,580.03 : 87,778.04 = 45,285.63 : x
  2. Step 2: Convert to fraction form
    58,580.03/87,778.04 = 45,285.63/x
  3. Step 3: Cross multiply
    58,580.03x = 87,778.04 × 45,285.63
  4. Step 4: Simplify right side
    58,580.03x = 3,975,083,615.14
  5. Step 5: Solve for x
    x = 3,975,083,615.14/58,580.03
  6. Step 6: Final answer
    x = 67,857.32

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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.