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Finding the Fourth Proportional to 3,547,293.63, 4,895,265.02 and 1,915,700.84

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Solution

The fourth proportional to 3,547,293.63, 4,895,265.02 and 1,915,700.84 is: 2,643,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,293.63 : 4,895,265.02 = 1,915,700.84 : x
  2. Step 2: Convert to fraction form
    3,547,293.63/4,895,265.02 = 1,915,700.84/x
  3. Step 3: Cross multiply
    3,547,293.63x = 4,895,265.02 × 1,915,700.84
  4. Step 4: Simplify right side
    3,547,293.63x = 9,377,863,287,557.60
  5. Step 5: Solve for x
    x = 9,377,863,287,557.60/3,547,293.63
  6. Step 6: Final answer
    x = 2,643,667.05

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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.