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Finding the Fourth Proportional to 34,533.54, 47,655.81 and 19,426.20

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Solution

The fourth proportional to 34,533.54, 47,655.81 and 19,426.20 is: 26,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,533.54 : 47,655.81 = 19,426.20 : x
  2. Step 2: Convert to fraction form
    34,533.54/47,655.81 = 19,426.20/x
  3. Step 3: Cross multiply
    34,533.54x = 47,655.81 × 19,426.20
  4. Step 4: Simplify right side
    34,533.54x = 925,771,117.51
  5. Step 5: Solve for x
    x = 925,771,117.51/34,533.54
  6. Step 6: Final answer
    x = 26,807.88

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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.