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Finding the Fourth Proportional to 58,558.94, 87,746.43 and 45,264.50

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Solution

The fourth proportional to 58,558.94, 87,746.43 and 45,264.50 is: 67,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,558.94 : 87,746.43 = 45,264.50 : x
  2. Step 2: Convert to fraction form
    58,558.94/87,746.43 = 45,264.50/x
  3. Step 3: Cross multiply
    58,558.94x = 87,746.43 × 45,264.50
  4. Step 4: Simplify right side
    58,558.94x = 3,971,798,280.74
  5. Step 5: Solve for x
    x = 3,971,798,280.74/58,558.94
  6. Step 6: Final answer
    x = 67,825.65

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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.