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Finding the Fourth Proportional to 5,288,482.80, 7,935,348.60 and 3,015,752.40

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Solution

The fourth proportional to 5,288,482.80, 7,935,348.60 and 3,015,752.40 is: 4,525,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,482.80 : 7,935,348.60 = 3,015,752.40 : x
  2. Step 2: Convert to fraction form
    5,288,482.80/7,935,348.60 = 3,015,752.40/x
  3. Step 3: Cross multiply
    5,288,482.80x = 7,935,348.60 × 3,015,752.40
  4. Step 4: Simplify right side
    5,288,482.80x = 23,931,046,585,286.64
  5. Step 5: Solve for x
    x = 23,931,046,585,286.64/5,288,482.80
  6. Step 6: Final answer
    x = 4,525,125.16

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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.