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Finding the Fourth Proportional to 84,984.50, 127,491.93 and 35,036.82

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Solution

The fourth proportional to 84,984.50, 127,491.93 and 35,036.82 is: 52,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,984.50 : 127,491.93 = 35,036.82 : x
  2. Step 2: Convert to fraction form
    84,984.50/127,491.93 = 35,036.82/x
  3. Step 3: Cross multiply
    84,984.50x = 127,491.93 × 35,036.82
  4. Step 4: Simplify right side
    84,984.50x = 4,466,911,802.86
  5. Step 5: Solve for x
    x = 4,466,911,802.86/84,984.50
  6. Step 6: Final answer
    x = 52,561.49

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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.