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Finding the Fourth Proportional to 52,943.48, 79,424.94 and 17,406.80

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Solution

The fourth proportional to 52,943.48, 79,424.94 and 17,406.80 is: 26,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,943.48 : 79,424.94 = 17,406.80 : x
  2. Step 2: Convert to fraction form
    52,943.48/79,424.94 = 17,406.80/x
  3. Step 3: Cross multiply
    52,943.48x = 79,424.94 × 17,406.80
  4. Step 4: Simplify right side
    52,943.48x = 1,382,534,045.59
  5. Step 5: Solve for x
    x = 1,382,534,045.59/52,943.48
  6. Step 6: Final answer
    x = 26,113.40

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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.