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Finding the Fourth Proportional to 8,926,718.90, 12,318,880.02 and 4,852,337.90

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Solution

The fourth proportional to 8,926,718.90, 12,318,880.02 and 4,852,337.90 is: 6,696,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926,718.90 : 12,318,880.02 = 4,852,337.90 : x
  2. Step 2: Convert to fraction form
    8,926,718.90/12,318,880.02 = 4,852,337.90/x
  3. Step 3: Cross multiply
    8,926,718.90x = 12,318,880.02 × 4,852,337.90
  4. Step 4: Simplify right side
    8,926,718.90x = 59,775,368,406,598.76
  5. Step 5: Solve for x
    x = 59,775,368,406,598.76/8,926,718.90
  6. Step 6: Final answer
    x = 6,696,230.62

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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.