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Finding the Fourth Proportional to 47,345.94, 65,337.71 and 25,837.20

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Solution

The fourth proportional to 47,345.94, 65,337.71 and 25,837.20 is: 35,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,345.94 : 65,337.71 = 25,837.20 : x
  2. Step 2: Convert to fraction form
    47,345.94/65,337.71 = 25,837.20/x
  3. Step 3: Cross multiply
    47,345.94x = 65,337.71 × 25,837.20
  4. Step 4: Simplify right side
    47,345.94x = 1,688,143,351.63
  5. Step 5: Solve for x
    x = 1,688,143,351.63/47,345.94
  6. Step 6: Final answer
    x = 35,655.50

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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.