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Finding the Fourth Proportional to 66,444.71, 99,707.75 and 26,482.86

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Solution

The fourth proportional to 66,444.71, 99,707.75 and 26,482.86 is: 39,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,444.71 : 99,707.75 = 26,482.86 : x
  2. Step 2: Convert to fraction form
    66,444.71/99,707.75 = 26,482.86/x
  3. Step 3: Cross multiply
    66,444.71x = 99,707.75 × 26,482.86
  4. Step 4: Simplify right side
    66,444.71x = 2,640,546,384.17
  5. Step 5: Solve for x
    x = 2,640,546,384.17/66,444.71
  6. Step 6: Final answer
    x = 39,740.51

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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.