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Finding the Fourth Proportional to 8,869,528.80, 13,304,293.20 and 6,956,341.20

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Solution

The fourth proportional to 8,869,528.80, 13,304,293.20 and 6,956,341.20 is: 10,434,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,528.80 : 13,304,293.20 = 6,956,341.20 : x
  2. Step 2: Convert to fraction form
    8,869,528.80/13,304,293.20 = 6,956,341.20/x
  3. Step 3: Cross multiply
    8,869,528.80x = 13,304,293.20 × 6,956,341.20
  4. Step 4: Simplify right side
    8,869,528.80x = 92,549,202,924,039.84
  5. Step 5: Solve for x
    x = 92,549,202,924,039.84/8,869,528.80
  6. Step 6: Final answer
    x = 10,434,511.80

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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.