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Finding the Fourth Proportional to 12,026,352.40, 18,018,533.40 and 10,346,736.40

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Solution

The fourth proportional to 12,026,352.40, 18,018,533.40 and 10,346,736.40 is: 15,502,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026,352.40 : 18,018,533.40 = 10,346,736.40 : x
  2. Step 2: Convert to fraction form
    12,026,352.40/18,018,533.40 = 10,346,736.40/x
  3. Step 3: Cross multiply
    12,026,352.40x = 18,018,533.40 × 10,346,736.40
  4. Step 4: Simplify right side
    12,026,352.40x = 186,433,015,404,395.75
  5. Step 5: Solve for x
    x = 186,433,015,404,395.75/12,026,352.40
  6. Step 6: Final answer
    x = 15,502,041.62

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1.5x scale

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.