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Finding the Fourth Proportional to 10,547.40, 14,554.82 and 5,831.40

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Solution

The fourth proportional to 10,547.40, 14,554.82 and 5,831.40 is: 8,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.40 : 14,554.82 = 5,831.40 : x
  2. Step 2: Convert to fraction form
    10,547.40/14,554.82 = 5,831.40/x
  3. Step 3: Cross multiply
    10,547.40x = 14,554.82 × 5,831.40
  4. Step 4: Simplify right side
    10,547.40x = 84,874,977.35
  5. Step 5: Solve for x
    x = 84,874,977.35/10,547.40
  6. Step 6: Final answer
    x = 8,047.00

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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.