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Finding the Fourth Proportional to 12,602,802.60, 18,904,203.90 and 4,084,000.20

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Solution

The fourth proportional to 12,602,802.60, 18,904,203.90 and 4,084,000.20 is: 6,126,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,802.60 : 18,904,203.90 = 4,084,000.20 : x
  2. Step 2: Convert to fraction form
    12,602,802.60/18,904,203.90 = 4,084,000.20/x
  3. Step 3: Cross multiply
    12,602,802.60x = 18,904,203.90 × 4,084,000.20
  4. Step 4: Simplify right side
    12,602,802.60x = 77,204,772,508,440.78
  5. Step 5: Solve for x
    x = 77,204,772,508,440.78/12,602,802.60
  6. Step 6: Final answer
    x = 6,126,000.30

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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.