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Finding the Fourth Proportional to 19,492,379.60, 26,899,801.07 and 10,671,682.01

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Solution

The fourth proportional to 19,492,379.60, 26,899,801.07 and 10,671,682.01 is: 14,727,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492,379.60 : 26,899,801.07 = 10,671,682.01 : x
  2. Step 2: Convert to fraction form
    19,492,379.60/26,899,801.07 = 10,671,682.01/x
  3. Step 3: Cross multiply
    19,492,379.60x = 26,899,801.07 × 10,671,682.01
  4. Step 4: Simplify right side
    19,492,379.60x = 287,066,122,963,440.38
  5. Step 5: Solve for x
    x = 287,066,122,963,440.38/19,492,379.60
  6. Step 6: Final answer
    x = 14,727,094.84

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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.