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Finding the Fourth Proportional to 1,154.76, 1,593.60 and 657.51

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Solution

The fourth proportional to 1,154.76, 1,593.60 and 657.51 is: 907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.76 : 1,593.60 = 657.51 : x
  2. Step 2: Convert to fraction form
    1,154.76/1,593.60 = 657.51/x
  3. Step 3: Cross multiply
    1,154.76x = 1,593.60 × 657.51
  4. Step 4: Simplify right side
    1,154.76x = 1,047,807.94
  5. Step 5: Solve for x
    x = 1,047,807.94/1,154.76
  6. Step 6: Final answer
    x = 907.38

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Double scale
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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.