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Finding the Fourth Proportional to 34,654.92, 47,822.64 and 19,547.96

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Solution

The fourth proportional to 34,654.92, 47,822.64 and 19,547.96 is: 26,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,654.92 : 47,822.64 = 19,547.96 : x
  2. Step 2: Convert to fraction form
    34,654.92/47,822.64 = 19,547.96/x
  3. Step 3: Cross multiply
    34,654.92x = 47,822.64 × 19,547.96
  4. Step 4: Simplify right side
    34,654.92x = 934,835,053.81
  5. Step 5: Solve for x
    x = 934,835,053.81/34,654.92
  6. Step 6: Final answer
    x = 26,975.54

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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.