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Finding the Fourth Proportional to 7,000,186.68, 9,662,392.56 and 4,060,746.60

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Solution

The fourth proportional to 7,000,186.68, 9,662,392.56 and 4,060,746.60 is: 5,605,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,186.68 : 9,662,392.56 = 4,060,746.60 : x
  2. Step 2: Convert to fraction form
    7,000,186.68/9,662,392.56 = 4,060,746.60/x
  3. Step 3: Cross multiply
    7,000,186.68x = 9,662,392.56 × 4,060,746.60
  4. Step 4: Simplify right side
    7,000,186.68x = 39,236,527,735,885.30
  5. Step 5: Solve for x
    x = 39,236,527,735,885.30/7,000,186.68
  6. Step 6: Final answer
    x = 5,605,068.77

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1.5x scale

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.