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Finding the Fourth Proportional to 6,337,817.85, 8,746,658.16 and 3,547,220.20

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Solution

The fourth proportional to 6,337,817.85, 8,746,658.16 and 3,547,220.20 is: 4,895,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337,817.85 : 8,746,658.16 = 3,547,220.20 : x
  2. Step 2: Convert to fraction form
    6,337,817.85/8,746,658.16 = 3,547,220.20/x
  3. Step 3: Cross multiply
    6,337,817.85x = 8,746,658.16 × 3,547,220.20
  4. Step 4: Simplify right side
    6,337,817.85x = 31,026,322,477,383.68
  5. Step 5: Solve for x
    x = 31,026,322,477,383.68/6,337,817.85
  6. Step 6: Final answer
    x = 4,895,426.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.