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Finding the Fourth Proportional to 46,622.40, 70,106.40 and 39,019.20

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Solution

The fourth proportional to 46,622.40, 70,106.40 and 39,019.20 is: 58,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,622.40 : 70,106.40 = 39,019.20 : x
  2. Step 2: Convert to fraction form
    46,622.40/70,106.40 = 39,019.20/x
  3. Step 3: Cross multiply
    46,622.40x = 70,106.40 × 39,019.20
  4. Step 4: Simplify right side
    46,622.40x = 2,735,495,642.88
  5. Step 5: Solve for x
    x = 2,735,495,642.88/46,622.40
  6. Step 6: Final answer
    x = 58,673.42

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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.