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Finding the Fourth Proportional to 10,571,346.90, 14,767,999.20 and 10,571,346.90

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Solution

The fourth proportional to 10,571,346.90, 14,767,999.20 and 10,571,346.90 is: 14,767,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,346.90 : 14,767,999.20 = 10,571,346.90 : x
  2. Step 2: Convert to fraction form
    10,571,346.90/14,767,999.20 = 10,571,346.90/x
  3. Step 3: Cross multiply
    10,571,346.90x = 14,767,999.20 × 10,571,346.90
  4. Step 4: Simplify right side
    10,571,346.90x = 156,117,642,562,122.47
  5. Step 5: Solve for x
    x = 156,117,642,562,122.47/10,571,346.90
  6. Step 6: Final answer
    x = 14,767,999.20

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1.5x scale

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.