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Finding the Fourth Proportional to 8,271,734.70, 12,407,602.05 and 6,358,547.10

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Solution

The fourth proportional to 8,271,734.70, 12,407,602.05 and 6,358,547.10 is: 9,537,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,734.70 : 12,407,602.05 = 6,358,547.10 : x
  2. Step 2: Convert to fraction form
    8,271,734.70/12,407,602.05 = 6,358,547.10/x
  3. Step 3: Cross multiply
    8,271,734.70x = 12,407,602.05 × 6,358,547.10
  4. Step 4: Simplify right side
    8,271,734.70x = 78,894,322,032,981.56
  5. Step 5: Solve for x
    x = 78,894,322,032,981.56/8,271,734.70
  6. Step 6: Final answer
    x = 9,537,820.65

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Similar ratio
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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.