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Finding the Fourth Proportional to 17,662,405.60, 26,493,608.40 and 13,836,030.40

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Solution

The fourth proportional to 17,662,405.60, 26,493,608.40 and 13,836,030.40 is: 20,754,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,662,405.60 : 26,493,608.40 = 13,836,030.40 : x
  2. Step 2: Convert to fraction form
    17,662,405.60/26,493,608.40 = 13,836,030.40/x
  3. Step 3: Cross multiply
    17,662,405.60x = 26,493,608.40 × 13,836,030.40
  4. Step 4: Simplify right side
    17,662,405.60x = 366,566,371,228,095.38
  5. Step 5: Solve for x
    x = 366,566,371,228,095.38/17,662,405.60
  6. Step 6: Final answer
    x = 20,754,045.60

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1.5x scale

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.