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Finding the Fourth Proportional to 29,483.69, 40,686.55 and 16,054.84

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Solution

The fourth proportional to 29,483.69, 40,686.55 and 16,054.84 is: 22,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,483.69 : 40,686.55 = 16,054.84 : x
  2. Step 2: Convert to fraction form
    29,483.69/40,686.55 = 16,054.84/x
  3. Step 3: Cross multiply
    29,483.69x = 40,686.55 × 16,054.84
  4. Step 4: Simplify right side
    29,483.69x = 653,216,050.40
  5. Step 5: Solve for x
    x = 653,216,050.40/29,483.69
  6. Step 6: Final answer
    x = 22,155.17

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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.