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Finding the Fourth Proportional to 8,889,785.95, 13,334,678.93 and 8,748,068.35

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Solution

The fourth proportional to 8,889,785.95, 13,334,678.93 and 8,748,068.35 is: 13,122,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,785.95 : 13,334,678.93 = 8,748,068.35 : x
  2. Step 2: Convert to fraction form
    8,889,785.95/13,334,678.93 = 8,748,068.35/x
  3. Step 3: Cross multiply
    8,889,785.95x = 13,334,678.93 × 8,748,068.35
  4. Step 4: Simplify right side
    8,889,785.95x = 116,652,682,704,944.86
  5. Step 5: Solve for x
    x = 116,652,682,704,944.86/8,889,785.95
  6. Step 6: Final answer
    x = 13,122,102.53

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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.