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Finding the Fourth Proportional to 8,889,658.80, 13,334,488.20 and 6,019,877.40

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Solution

The fourth proportional to 8,889,658.80, 13,334,488.20 and 6,019,877.40 is: 9,029,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,658.80 : 13,334,488.20 = 6,019,877.40 : x
  2. Step 2: Convert to fraction form
    8,889,658.80/13,334,488.20 = 6,019,877.40/x
  3. Step 3: Cross multiply
    8,889,658.80x = 13,334,488.20 × 6,019,877.40
  4. Step 4: Simplify right side
    8,889,658.80x = 80,271,984,155,746.69
  5. Step 5: Solve for x
    x = 80,271,984,155,746.69/8,889,658.80
  6. Step 6: Final answer
    x = 9,029,816.10

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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.