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Finding the Fourth Proportional to 9,268,686.90, 13,903,030.35 and 9,268,686.90

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Solution

The fourth proportional to 9,268,686.90, 13,903,030.35 and 9,268,686.90 is: 13,903,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,686.90 : 13,903,030.35 = 9,268,686.90 : x
  2. Step 2: Convert to fraction form
    9,268,686.90/13,903,030.35 = 9,268,686.90/x
  3. Step 3: Cross multiply
    9,268,686.90x = 13,903,030.35 × 9,268,686.90
  4. Step 4: Simplify right side
    9,268,686.90x = 128,862,835,275,347.42
  5. Step 5: Solve for x
    x = 128,862,835,275,347.42/9,268,686.90
  6. Step 6: Final answer
    x = 13,903,030.35

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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.