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Finding the Fourth Proportional to 7,053,783.74, 9,734,322.43 and 5,284,547.21

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Solution

The fourth proportional to 7,053,783.74, 9,734,322.43 and 5,284,547.21 is: 7,292,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053,783.74 : 9,734,322.43 = 5,284,547.21 : x
  2. Step 2: Convert to fraction form
    7,053,783.74/9,734,322.43 = 5,284,547.21/x
  3. Step 3: Cross multiply
    7,053,783.74x = 9,734,322.43 × 5,284,547.21
  4. Step 4: Simplify right side
    7,053,783.74x = 51,441,486,438,696.92
  5. Step 5: Solve for x
    x = 51,441,486,438,696.92/7,053,783.74
  6. Step 6: Final answer
    x = 7,292,750.72

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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.