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Finding the Fourth Proportional to 10,661,728.95, 14,711,921.54 and 6,015,243.10

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Solution

The fourth proportional to 10,661,728.95, 14,711,921.54 and 6,015,243.10 is: 8,300,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661,728.95 : 14,711,921.54 = 6,015,243.10 : x
  2. Step 2: Convert to fraction form
    10,661,728.95/14,711,921.54 = 6,015,243.10/x
  3. Step 3: Cross multiply
    10,661,728.95x = 14,711,921.54 × 6,015,243.10
  4. Step 4: Simplify right side
    10,661,728.95x = 88,495,784,546,264.48
  5. Step 5: Solve for x
    x = 88,495,784,546,264.48/10,661,728.95
  6. Step 6: Final answer
    x = 8,300,322.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.