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Finding the Fourth Proportional to 35,482,894.80, 53,224,342.20 and 19,358,581.20

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Solution

The fourth proportional to 35,482,894.80, 53,224,342.20 and 19,358,581.20 is: 29,037,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,482,894.80 : 53,224,342.20 = 19,358,581.20 : x
  2. Step 2: Convert to fraction form
    35,482,894.80/53,224,342.20 = 19,358,581.20/x
  3. Step 3: Cross multiply
    35,482,894.80x = 53,224,342.20 × 19,358,581.20
  4. Step 4: Simplify right side
    35,482,894.80x = 1,030,347,750,295,286.62
  5. Step 5: Solve for x
    x = 1,030,347,750,295,286.62/35,482,894.80
  6. Step 6: Final answer
    x = 29,037,871.80

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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.