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Finding the Fourth Proportional to 10,452,904.20, 15,679,356.30 and 10,452,904.20

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Solution

The fourth proportional to 10,452,904.20, 15,679,356.30 and 10,452,904.20 is: 15,679,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452,904.20 : 15,679,356.30 = 10,452,904.20 : x
  2. Step 2: Convert to fraction form
    10,452,904.20/15,679,356.30 = 10,452,904.20/x
  3. Step 3: Cross multiply
    10,452,904.20x = 15,679,356.30 × 10,452,904.20
  4. Step 4: Simplify right side
    10,452,904.20x = 163,894,809,321,566.47
  5. Step 5: Solve for x
    x = 163,894,809,321,566.47/10,452,904.20
  6. Step 6: Final answer
    x = 15,679,356.30

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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.