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Finding the Fourth Proportional to 1,337.60, 2,007.76 and 973.10

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Solution

The fourth proportional to 1,337.60, 2,007.76 and 973.10 is: 1,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.60 : 2,007.76 = 973.10 : x
  2. Step 2: Convert to fraction form
    1,337.60/2,007.76 = 973.10/x
  3. Step 3: Cross multiply
    1,337.60x = 2,007.76 × 973.10
  4. Step 4: Simplify right side
    1,337.60x = 1,953,751.26
  5. Step 5: Solve for x
    x = 1,953,751.26/1,337.60
  6. Step 6: Final answer
    x = 1,460.64

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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.