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Finding the Fourth Proportional to 7,130,708.55, 10,696,062.83 and 7,130,708.55

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Solution

The fourth proportional to 7,130,708.55, 10,696,062.83 and 7,130,708.55 is: 10,696,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,708.55 : 10,696,062.83 = 7,130,708.55 : x
  2. Step 2: Convert to fraction form
    7,130,708.55/10,696,062.83 = 7,130,708.55/x
  3. Step 3: Cross multiply
    7,130,708.55x = 10,696,062.83 × 7,130,708.55
  4. Step 4: Simplify right side
    7,130,708.55x = 76,270,506,637,564.64
  5. Step 5: Solve for x
    x = 76,270,506,637,564.64/7,130,708.55
  6. Step 6: Final answer
    x = 10,696,062.83

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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.