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Finding the Fourth Proportional to 10,583,695.80, 15,884,874.90 and 9,072,041.40

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Solution

The fourth proportional to 10,583,695.80, 15,884,874.90 and 9,072,041.40 is: 13,616,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583,695.80 : 15,884,874.90 = 9,072,041.40 : x
  2. Step 2: Convert to fraction form
    10,583,695.80/15,884,874.90 = 9,072,041.40/x
  3. Step 3: Cross multiply
    10,583,695.80x = 15,884,874.90 × 9,072,041.40
  4. Step 4: Simplify right side
    10,583,695.80x = 144,108,242,726,620.88
  5. Step 5: Solve for x
    x = 144,108,242,726,620.88/10,583,695.80
  6. Step 6: Final answer
    x = 13,616,060.54

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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.