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Finding the Fourth Proportional to 67,053.17, 92,552 and 38,388.89

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Solution

The fourth proportional to 67,053.17, 92,552 and 38,388.89 is: 52,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,053.17 : 92,552 = 38,388.89 : x
  2. Step 2: Convert to fraction form
    67,053.17/92,552 = 38,388.89/x
  3. Step 3: Cross multiply
    67,053.17x = 92,552 × 38,388.89
  4. Step 4: Simplify right side
    67,053.17x = 3,552,968,547.28
  5. Step 5: Solve for x
    x = 3,552,968,547.28/67,053.17
  6. Step 6: Final answer
    x = 52,987.33

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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.