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Finding the Fourth Proportional to 61,323.76, 84,649.84 and 35,838.40

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Solution

The fourth proportional to 61,323.76, 84,649.84 and 35,838.40 is: 49,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,323.76 : 84,649.84 = 35,838.40 : x
  2. Step 2: Convert to fraction form
    61,323.76/84,649.84 = 35,838.40/x
  3. Step 3: Cross multiply
    61,323.76x = 84,649.84 × 35,838.40
  4. Step 4: Simplify right side
    61,323.76x = 3,033,714,825.86
  5. Step 5: Solve for x
    x = 3,033,714,825.86/61,323.76
  6. Step 6: Final answer
    x = 49,470.46

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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.