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Finding the Fourth Proportional to 67,763.77, 93,509.77 and 37,547.32

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Solution

The fourth proportional to 67,763.77, 93,509.77 and 37,547.32 is: 51,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,763.77 : 93,509.77 = 37,547.32 : x
  2. Step 2: Convert to fraction form
    67,763.77/93,509.77 = 37,547.32/x
  3. Step 3: Cross multiply
    67,763.77x = 93,509.77 × 37,547.32
  4. Step 4: Simplify right side
    67,763.77x = 3,511,041,257.32
  5. Step 5: Solve for x
    x = 3,511,041,257.32/67,763.77
  6. Step 6: Final answer
    x = 51,812.96

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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.