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Finding the Fourth Proportional to 29,036.16, 43,557.12 and 8,259.84

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Solution

The fourth proportional to 29,036.16, 43,557.12 and 8,259.84 is: 12,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,036.16 : 43,557.12 = 8,259.84 : x
  2. Step 2: Convert to fraction form
    29,036.16/43,557.12 = 8,259.84/x
  3. Step 3: Cross multiply
    29,036.16x = 43,557.12 × 8,259.84
  4. Step 4: Simplify right side
    29,036.16x = 359,774,842.06
  5. Step 5: Solve for x
    x = 359,774,842.06/29,036.16
  6. Step 6: Final answer
    x = 12,390.58

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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.