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Finding the Fourth Proportional to 8,954,107.60, 13,402,584.60 and 7,064,539.60

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Solution

The fourth proportional to 8,954,107.60, 13,402,584.60 and 7,064,539.60 is: 10,574,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954,107.60 : 13,402,584.60 = 7,064,539.60 : x
  2. Step 2: Convert to fraction form
    8,954,107.60/13,402,584.60 = 7,064,539.60/x
  3. Step 3: Cross multiply
    8,954,107.60x = 13,402,584.60 × 7,064,539.60
  4. Step 4: Simplify right side
    8,954,107.60x = 94,683,089,649,050.16
  5. Step 5: Solve for x
    x = 94,683,089,649,050.16/8,954,107.60
  6. Step 6: Final answer
    x = 10,574,263.11

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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.