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Finding the Fourth Proportional to 52,657.69, 79,017.74 and 19,401.08

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Solution

The fourth proportional to 52,657.69, 79,017.74 and 19,401.08 is: 29,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,657.69 : 79,017.74 = 19,401.08 : x
  2. Step 2: Convert to fraction form
    52,657.69/79,017.74 = 19,401.08/x
  3. Step 3: Cross multiply
    52,657.69x = 79,017.74 × 19,401.08
  4. Step 4: Simplify right side
    52,657.69x = 1,533,029,741.21
  5. Step 5: Solve for x
    x = 1,533,029,741.21/52,657.69
  6. Step 6: Final answer
    x = 29,113.12

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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.