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Finding the Fourth Proportional to 6,473,388.48, 8,909,307.36 and 4,751,782.08

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Solution

The fourth proportional to 6,473,388.48, 8,909,307.36 and 4,751,782.08 is: 6,539,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473,388.48 : 8,909,307.36 = 4,751,782.08 : x
  2. Step 2: Convert to fraction form
    6,473,388.48/8,909,307.36 = 4,751,782.08/x
  3. Step 3: Cross multiply
    6,473,388.48x = 8,909,307.36 × 4,751,782.08
  4. Step 4: Simplify right side
    6,473,388.48x = 42,335,087,058,460.11
  5. Step 5: Solve for x
    x = 42,335,087,058,460.11/6,473,388.48
  6. Step 6: Final answer
    x = 6,539,865.05

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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.