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Finding the Fourth Proportional to 9,922,349.61, 13,693,228.77 and 5,512,408.01

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Solution

The fourth proportional to 9,922,349.61, 13,693,228.77 and 5,512,408.01 is: 7,607,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,922,349.61 : 13,693,228.77 = 5,512,408.01 : x
  2. Step 2: Convert to fraction form
    9,922,349.61/13,693,228.77 = 5,512,408.01/x
  3. Step 3: Cross multiply
    9,922,349.61x = 13,693,228.77 × 5,512,408.01
  4. Step 4: Simplify right side
    9,922,349.61x = 75,482,663,954,510.44
  5. Step 5: Solve for x
    x = 75,482,663,954,510.44/9,922,349.61
  6. Step 6: Final answer
    x = 7,607,337.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.