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Finding the Fourth Proportional to 58,149.29, 80,140.29 and 45,395.84

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Solution

The fourth proportional to 58,149.29, 80,140.29 and 45,395.84 is: 62,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,149.29 : 80,140.29 = 45,395.84 : x
  2. Step 2: Convert to fraction form
    58,149.29/80,140.29 = 45,395.84/x
  3. Step 3: Cross multiply
    58,149.29x = 80,140.29 × 45,395.84
  4. Step 4: Simplify right side
    58,149.29x = 3,638,035,812.51
  5. Step 5: Solve for x
    x = 3,638,035,812.51/58,149.29
  6. Step 6: Final answer
    x = 62,563.72

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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.