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Finding the Fourth Proportional to 9,968,410.80, 14,952,616.20 and 7,547,032.75

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Solution

The fourth proportional to 9,968,410.80, 14,952,616.20 and 7,547,032.75 is: 11,320,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,410.80 : 14,952,616.20 = 7,547,032.75 : x
  2. Step 2: Convert to fraction form
    9,968,410.80/14,952,616.20 = 7,547,032.75/x
  3. Step 3: Cross multiply
    9,968,410.80x = 14,952,616.20 × 7,547,032.75
  4. Step 4: Simplify right side
    9,968,410.80x = 112,847,884,159,580.55
  5. Step 5: Solve for x
    x = 112,847,884,159,580.55/9,968,410.80
  6. Step 6: Final answer
    x = 11,320,549.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.