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Finding the Fourth Proportional to 7,903,303.76, 10,906,490.76 and 4,281,623.12

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Solution

The fourth proportional to 7,903,303.76, 10,906,490.76 and 4,281,623.12 is: 5,908,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903,303.76 : 10,906,490.76 = 4,281,623.12 : x
  2. Step 2: Convert to fraction form
    7,903,303.76/10,906,490.76 = 4,281,623.12/x
  3. Step 3: Cross multiply
    7,903,303.76x = 10,906,490.76 × 4,281,623.12
  4. Step 4: Simplify right side
    7,903,303.76x = 46,697,482,996,082.38
  5. Step 5: Solve for x
    x = 46,697,482,996,082.38/7,903,303.76
  6. Step 6: Final answer
    x = 5,908,602.83

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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.