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Finding the Fourth Proportional to 9,841,770.90, 14,762,656.35 and 8,471,834.10

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Solution

The fourth proportional to 9,841,770.90, 14,762,656.35 and 8,471,834.10 is: 12,707,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841,770.90 : 14,762,656.35 = 8,471,834.10 : x
  2. Step 2: Convert to fraction form
    9,841,770.90/14,762,656.35 = 8,471,834.10/x
  3. Step 3: Cross multiply
    9,841,770.90x = 14,762,656.35 × 8,471,834.10
  4. Step 4: Simplify right side
    9,841,770.90x = 125,066,775,472,511.53
  5. Step 5: Solve for x
    x = 125,066,775,472,511.53/9,841,770.90
  6. Step 6: Final answer
    x = 12,707,751.15

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Double scale
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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.