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Finding the Fourth Proportional to 9,963,713.60, 14,945,570.40 and 9,774,756.80

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Solution

The fourth proportional to 9,963,713.60, 14,945,570.40 and 9,774,756.80 is: 14,662,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963,713.60 : 14,945,570.40 = 9,774,756.80 : x
  2. Step 2: Convert to fraction form
    9,963,713.60/14,945,570.40 = 9,774,756.80/x
  3. Step 3: Cross multiply
    9,963,713.60x = 14,945,570.40 × 9,774,756.80
  4. Step 4: Simplify right side
    9,963,713.60x = 146,089,315,897,278.75
  5. Step 5: Solve for x
    x = 146,089,315,897,278.75/9,963,713.60
  6. Step 6: Final answer
    x = 14,662,135.20

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1.5x scale

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.