Finding the Fourth Proportional to 26,331,700.80, 39,497,551.20 and 25,953,787.20
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Solution
The fourth proportional to 26,331,700.80, 39,497,551.20 and 25,953,787.20 is: 38,930,680.80
Step by Step Solution
- Step 1: Write the proportion equation
26,331,700.80 : 39,497,551.20 = 25,953,787.20 : x - Step 2: Convert to fraction form
26,331,700.80/39,497,551.20 = 25,953,787.20/x - Step 3: Cross multiply
26,331,700.80x = 39,497,551.20 × 25,953,787.20 - Step 4: Simplify right side
26,331,700.80x = 1,025,111,038,765,904.75 - Step 5: Solve for x
x = 1,025,111,038,765,904.75/26,331,700.80 - Step 6: Final answer
x = 38,930,680.80
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1.5x scale
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.