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Finding the Fourth Proportional to 34,713.76, 47,904.72 and 18,798.16

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Solution

The fourth proportional to 34,713.76, 47,904.72 and 18,798.16 is: 25,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,713.76 : 47,904.72 = 18,798.16 : x
  2. Step 2: Convert to fraction form
    34,713.76/47,904.72 = 18,798.16/x
  3. Step 3: Cross multiply
    34,713.76x = 47,904.72 × 18,798.16
  4. Step 4: Simplify right side
    34,713.76x = 900,520,591.32
  5. Step 5: Solve for x
    x = 900,520,591.32/34,713.76
  6. Step 6: Final answer
    x = 25,941.32

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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.