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Finding the Fourth Proportional to 46,870.99, 70,306.76 and 19,168.99

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Solution

The fourth proportional to 46,870.99, 70,306.76 and 19,168.99 is: 28,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,870.99 : 70,306.76 = 19,168.99 : x
  2. Step 2: Convert to fraction form
    46,870.99/70,306.76 = 19,168.99/x
  3. Step 3: Cross multiply
    46,870.99x = 70,306.76 × 19,168.99
  4. Step 4: Simplify right side
    46,870.99x = 1,347,709,579.37
  5. Step 5: Solve for x
    x = 1,347,709,579.37/46,870.99
  6. Step 6: Final answer
    x = 28,753.60

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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.