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Finding the Fourth Proportional to 58,580.96, 80,878.96 and 38,473.52

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Solution

The fourth proportional to 58,580.96, 80,878.96 and 38,473.52 is: 53,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,580.96 : 80,878.96 = 38,473.52 : x
  2. Step 2: Convert to fraction form
    58,580.96/80,878.96 = 38,473.52/x
  3. Step 3: Cross multiply
    58,580.96x = 80,878.96 × 38,473.52
  4. Step 4: Simplify right side
    58,580.96x = 3,111,698,285.14
  5. Step 5: Solve for x
    x = 3,111,698,285.14/58,580.96
  6. Step 6: Final answer
    x = 53,117.91

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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.