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Finding the Fourth Proportional to 14,677,999.40, 21,975,008.70 and 14,677,999.40

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Solution

The fourth proportional to 14,677,999.40, 21,975,008.70 and 14,677,999.40 is: 21,975,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677,999.40 : 21,975,008.70 = 14,677,999.40 : x
  2. Step 2: Convert to fraction form
    14,677,999.40/21,975,008.70 = 14,677,999.40/x
  3. Step 3: Cross multiply
    14,677,999.40x = 21,975,008.70 × 14,677,999.40
  4. Step 4: Simplify right side
    14,677,999.40x = 322,549,164,513,594.75
  5. Step 5: Solve for x
    x = 322,549,164,513,594.75/14,677,999.40
  6. Step 6: Final answer
    x = 21,975,008.70

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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.