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Finding the Fourth Proportional to 9,772,978.80, 14,663,533.97 and 4,305,275.13

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Solution

The fourth proportional to 9,772,978.80, 14,663,533.97 and 4,305,275.13 is: 6,459,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,978.80 : 14,663,533.97 = 4,305,275.13 : x
  2. Step 2: Convert to fraction form
    9,772,978.80/14,663,533.97 = 4,305,275.13/x
  3. Step 3: Cross multiply
    9,772,978.80x = 14,663,533.97 × 4,305,275.13
  4. Step 4: Simplify right side
    9,772,978.80x = 63,130,548,118,951.16
  5. Step 5: Solve for x
    x = 63,130,548,118,951.16/9,772,978.80
  6. Step 6: Final answer
    x = 6,459,703.78

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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.