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Finding the Fourth Proportional to 17,684,893.86, 26,527,339.08 and 4,905,399.12

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Solution

The fourth proportional to 17,684,893.86, 26,527,339.08 and 4,905,399.12 is: 7,358,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684,893.86 : 26,527,339.08 = 4,905,399.12 : x
  2. Step 2: Convert to fraction form
    17,684,893.86/26,527,339.08 = 4,905,399.12/x
  3. Step 3: Cross multiply
    17,684,893.86x = 26,527,339.08 × 4,905,399.12
  4. Step 4: Simplify right side
    17,684,893.86x = 130,127,185,778,973.61
  5. Step 5: Solve for x
    x = 130,127,185,778,973.61/17,684,893.86
  6. Step 6: Final answer
    x = 7,358,098.21

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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.