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Finding the Fourth Proportional to 47,159.64, 65,079.74 and 25,938.46

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Solution

The fourth proportional to 47,159.64, 65,079.74 and 25,938.46 is: 35,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.64 : 65,079.74 = 25,938.46 : x
  2. Step 2: Convert to fraction form
    47,159.64/65,079.74 = 25,938.46/x
  3. Step 3: Cross multiply
    47,159.64x = 65,079.74 × 25,938.46
  4. Step 4: Simplify right side
    47,159.64x = 1,688,068,232.80
  5. Step 5: Solve for x
    x = 1,688,068,232.80/47,159.64
  6. Step 6: Final answer
    x = 35,794.77

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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.