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Finding the Fourth Proportional to 1,500.99, 2,070.59 and 1,395.48

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Solution

The fourth proportional to 1,500.99, 2,070.59 and 1,395.48 is: 1,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.99 : 2,070.59 = 1,395.48 : x
  2. Step 2: Convert to fraction form
    1,500.99/2,070.59 = 1,395.48/x
  3. Step 3: Cross multiply
    1,500.99x = 2,070.59 × 1,395.48
  4. Step 4: Simplify right side
    1,500.99x = 2,889,466.93
  5. Step 5: Solve for x
    x = 2,889,466.93/1,500.99
  6. Step 6: Final answer
    x = 1,925.04

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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.