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Finding the Fourth Proportional to 3,547,405.13, 4,895,424.54 and 2,019,512.25

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Solution

The fourth proportional to 3,547,405.13, 4,895,424.54 and 2,019,512.25 is: 2,786,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,405.13 : 4,895,424.54 = 2,019,512.25 : x
  2. Step 2: Convert to fraction form
    3,547,405.13/4,895,424.54 = 2,019,512.25/x
  3. Step 3: Cross multiply
    3,547,405.13x = 4,895,424.54 × 2,019,512.25
  4. Step 4: Simplify right side
    3,547,405.13x = 9,886,369,827,480.62
  5. Step 5: Solve for x
    x = 9,886,369,827,480.62/3,547,405.13
  6. Step 6: Final answer
    x = 2,786,930.02

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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.