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Finding the Fourth Proportional to 8,598.52, 12,838.93 and 7,703.28

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Solution

The fourth proportional to 8,598.52, 12,838.93 and 7,703.28 is: 11,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.52 : 12,838.93 = 7,703.28 : x
  2. Step 2: Convert to fraction form
    8,598.52/12,838.93 = 7,703.28/x
  3. Step 3: Cross multiply
    8,598.52x = 12,838.93 × 7,703.28
  4. Step 4: Simplify right side
    8,598.52x = 98,901,808.50
  5. Step 5: Solve for x
    x = 98,901,808.50/8,598.52
  6. Step 6: Final answer
    x = 11,502.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.