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Finding the Fourth Proportional to 15,772,008.60, 22,112,698.50 and 15,772,008.60

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Solution

The fourth proportional to 15,772,008.60, 22,112,698.50 and 15,772,008.60 is: 22,112,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,008.60 : 22,112,698.50 = 15,772,008.60 : x
  2. Step 2: Convert to fraction form
    15,772,008.60/22,112,698.50 = 15,772,008.60/x
  3. Step 3: Cross multiply
    15,772,008.60x = 22,112,698.50 × 15,772,008.60
  4. Step 4: Simplify right side
    15,772,008.60x = 348,761,670,911,207.06
  5. Step 5: Solve for x
    x = 348,761,670,911,207.06/15,772,008.60
  6. Step 6: Final answer
    x = 22,112,698.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.