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Finding the Fourth Proportional to 34,454.58, 47,547.45 and 19,550.58

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Solution

The fourth proportional to 34,454.58, 47,547.45 and 19,550.58 is: 26,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,454.58 : 47,547.45 = 19,550.58 : x
  2. Step 2: Convert to fraction form
    34,454.58/47,547.45 = 19,550.58/x
  3. Step 3: Cross multiply
    34,454.58x = 47,547.45 × 19,550.58
  4. Step 4: Simplify right side
    34,454.58x = 929,580,225.02
  5. Step 5: Solve for x
    x = 929,580,225.02/34,454.58
  6. Step 6: Final answer
    x = 26,979.87

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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.