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Finding the Fourth Proportional to 10,487,996.40, 14,713,054.80 and 10,487,996.40

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Solution

The fourth proportional to 10,487,996.40, 14,713,054.80 and 10,487,996.40 is: 14,713,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,996.40 : 14,713,054.80 = 10,487,996.40 : x
  2. Step 2: Convert to fraction form
    10,487,996.40/14,713,054.80 = 10,487,996.40/x
  3. Step 3: Cross multiply
    10,487,996.40x = 14,713,054.80 × 10,487,996.40
  4. Step 4: Simplify right side
    10,487,996.40x = 154,310,465,775,402.72
  5. Step 5: Solve for x
    x = 154,310,465,775,402.72/10,487,996.40
  6. Step 6: Final answer
    x = 14,713,054.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.