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Finding the Fourth Proportional to 26,593,784.80, 39,892,750.80 and 11,448,210.40

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Solution

The fourth proportional to 26,593,784.80, 39,892,750.80 and 11,448,210.40 is: 17,173,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,593,784.80 : 39,892,750.80 = 11,448,210.40 : x
  2. Step 2: Convert to fraction form
    26,593,784.80/39,892,750.80 = 11,448,210.40/x
  3. Step 3: Cross multiply
    26,593,784.80x = 39,892,750.80 × 11,448,210.40
  4. Step 4: Simplify right side
    26,593,784.80x = 456,700,604,593,168.31
  5. Step 5: Solve for x
    x = 456,700,604,593,168.31/26,593,784.80
  6. Step 6: Final answer
    x = 17,173,208.25

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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.