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Finding the Fourth Proportional to 64,999.17, 89,698.86 and 36,706.68

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Solution

The fourth proportional to 64,999.17, 89,698.86 and 36,706.68 is: 50,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,999.17 : 89,698.86 = 36,706.68 : x
  2. Step 2: Convert to fraction form
    64,999.17/89,698.86 = 36,706.68/x
  3. Step 3: Cross multiply
    64,999.17x = 89,698.86 × 36,706.68
  4. Step 4: Simplify right side
    64,999.17x = 3,292,547,350.38
  5. Step 5: Solve for x
    x = 3,292,547,350.38/64,999.17
  6. Step 6: Final answer
    x = 50,655.22

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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.