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Finding the Fourth Proportional to 47,089,689.60, 65,774,400 and 47,089,689.60

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Solution

The fourth proportional to 47,089,689.60, 65,774,400 and 47,089,689.60 is: 65,774,400

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089,689.60 : 65,774,400 = 47,089,689.60 : x
  2. Step 2: Convert to fraction form
    47,089,689.60/65,774,400 = 47,089,689.60/x
  3. Step 3: Cross multiply
    47,089,689.60x = 65,774,400 × 47,089,689.60
  4. Step 4: Simplify right side
    47,089,689.60x = 3,097,296,079,626,240
  5. Step 5: Solve for x
    x = 3,097,296,079,626,240/47,089,689.60
  6. Step 6: Final answer
    x = 65,774,400

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1.5x scale

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.