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Finding the Fourth Proportional to 52,710.96, 79,097.62 and 19,454.18

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Solution

The fourth proportional to 52,710.96, 79,097.62 and 19,454.18 is: 29,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.96 : 79,097.62 = 19,454.18 : x
  2. Step 2: Convert to fraction form
    52,710.96/79,097.62 = 19,454.18/x
  3. Step 3: Cross multiply
    52,710.96x = 79,097.62 × 19,454.18
  4. Step 4: Simplify right side
    52,710.96x = 1,538,779,337.05
  5. Step 5: Solve for x
    x = 1,538,779,337.05/52,710.96
  6. Step 6: Final answer
    x = 29,192.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.