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Finding the Fourth Proportional to 9,262,308.30, 12,986,127.30 and 9,262,308.30

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Solution

The fourth proportional to 9,262,308.30, 12,986,127.30 and 9,262,308.30 is: 12,986,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,262,308.30 : 12,986,127.30 = 9,262,308.30 : x
  2. Step 2: Convert to fraction form
    9,262,308.30/12,986,127.30 = 9,262,308.30/x
  3. Step 3: Cross multiply
    9,262,308.30x = 12,986,127.30 × 9,262,308.30
  4. Step 4: Simplify right side
    9,262,308.30x = 120,281,514,675,646.61
  5. Step 5: Solve for x
    x = 120,281,514,675,646.61/9,262,308.30
  6. Step 6: Final answer
    x = 12,986,127.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.