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Finding the Fourth Proportional to 47,160.90, 65,085.93 and 25,943.22

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Solution

The fourth proportional to 47,160.90, 65,085.93 and 25,943.22 is: 35,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,160.90 : 65,085.93 = 25,943.22 : x
  2. Step 2: Convert to fraction form
    47,160.90/65,085.93 = 25,943.22/x
  3. Step 3: Cross multiply
    47,160.90x = 65,085.93 × 25,943.22
  4. Step 4: Simplify right side
    47,160.90x = 1,688,538,600.89
  5. Step 5: Solve for x
    x = 1,688,538,600.89/47,160.90
  6. Step 6: Final answer
    x = 35,803.78

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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.