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Finding the Fourth Proportional to 9,072,047.40, 12,852,074.22 and 9,072,047.40

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Solution

The fourth proportional to 9,072,047.40, 12,852,074.22 and 9,072,047.40 is: 12,852,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,047.40 : 12,852,074.22 = 9,072,047.40 : x
  2. Step 2: Convert to fraction form
    9,072,047.40/12,852,074.22 = 9,072,047.40/x
  3. Step 3: Cross multiply
    9,072,047.40x = 12,852,074.22 × 9,072,047.40
  4. Step 4: Simplify right side
    9,072,047.40x = 116,594,626,512,158.03
  5. Step 5: Solve for x
    x = 116,594,626,512,158.03/9,072,047.40
  6. Step 6: Final answer
    x = 12,852,074.22

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.