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Finding the Fourth Proportional to 60,464.80, 90,740.40 and 25,429.60

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Solution

The fourth proportional to 60,464.80, 90,740.40 and 25,429.60 is: 38,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,464.80 : 90,740.40 = 25,429.60 : x
  2. Step 2: Convert to fraction form
    60,464.80/90,740.40 = 25,429.60/x
  3. Step 3: Cross multiply
    60,464.80x = 90,740.40 × 25,429.60
  4. Step 4: Simplify right side
    60,464.80x = 2,307,492,075.84
  5. Step 5: Solve for x
    x = 2,307,492,075.84/60,464.80
  6. Step 6: Final answer
    x = 38,162.57

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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.