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Finding the Fourth Proportional to 46,007.40, 69,011.10 and 34,343.40

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Solution

The fourth proportional to 46,007.40, 69,011.10 and 34,343.40 is: 51,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,007.40 : 69,011.10 = 34,343.40 : x
  2. Step 2: Convert to fraction form
    46,007.40/69,011.10 = 34,343.40/x
  3. Step 3: Cross multiply
    46,007.40x = 69,011.10 × 34,343.40
  4. Step 4: Simplify right side
    46,007.40x = 2,370,075,811.74
  5. Step 5: Solve for x
    x = 2,370,075,811.74/46,007.40
  6. Step 6: Final answer
    x = 51,515.10

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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.