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Finding the Fourth Proportional to 6,817,703.04, 9,411,836.40 and 4,240,214.64

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Solution

The fourth proportional to 6,817,703.04, 9,411,836.40 and 4,240,214.64 is: 5,853,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817,703.04 : 9,411,836.40 = 4,240,214.64 : x
  2. Step 2: Convert to fraction form
    6,817,703.04/9,411,836.40 = 4,240,214.64/x
  3. Step 3: Cross multiply
    6,817,703.04x = 9,411,836.40 × 4,240,214.64
  4. Step 4: Simplify right side
    6,817,703.04x = 39,908,206,492,564.89
  5. Step 5: Solve for x
    x = 39,908,206,492,564.89/6,817,703.04
  6. Step 6: Final answer
    x = 5,853,614.66

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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.