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Finding the Fourth Proportional to 47,159.54, 65,081.54 and 25,940.18

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Solution

The fourth proportional to 47,159.54, 65,081.54 and 25,940.18 is: 35,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.54 : 65,081.54 = 25,940.18 : x
  2. Step 2: Convert to fraction form
    47,159.54/65,081.54 = 25,940.18/x
  3. Step 3: Cross multiply
    47,159.54x = 65,081.54 × 25,940.18
  4. Step 4: Simplify right side
    47,159.54x = 1,688,226,862.28
  5. Step 5: Solve for x
    x = 1,688,226,862.28/47,159.54
  6. Step 6: Final answer
    x = 35,798.20

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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.